Perkin柴油發動機3012正時齒輪和輔助傳動系統

The timing gears (A) of the engine are protected by a

《定時速（A）的Perkins3012發動機是由A

housing at the rear of the engine which has two

房屋的背面的Perkins3012發動機，已經有兩個

components, the timing case and the flywheel

組件的實例，定時和飛輪

housing.

住房。

The timing case is made from heavy-duty cast iron

這樣的案例是從定時重防腐鑄鐵

and is bolted to the rear end of the crank case. It has

鴨子的背栓接冰比曲柄的案例。它具有

mountings for the connection block for the spill fuel,

mountings的連接塊的溢出的燃料。

the starter motor and the coolant pump. It holds the

《coolant起動電機和泵。《IT團隊

inner bearing, and the housing for the oil seal, of the

內軸承和住房的油密封的

auxiliary drive shaft.

輔助驅動軸。

For early engines, the oil seal of the auxiliary drive

早期的Perkins3012發動機，油密封的操作。

shaft is s eparate and is pressed into its housing. The

軸的eparate冰和冰。到它的房屋。《

current engine has a housing with an integral oil seal.

Perkins3012發動機有一個電流積分的住房和油密封。

The housing also has an ’O’ ring in a groove around

住房也有個“O型圈在一個槽。

its spigot to seal the bore in the timing case.

它的兩個密封的承鉆的定時的案例。

The fly wheel housing is also made from heavy-duty

住宅的平面的車輪從冰也太重防腐

cast iron and is bolted to the timing case. It holds the

鑄鐵和冰定時栓接兩個案例。《IT團隊

outer bearing for the end of the aux iliary drive shaft

外軸承的輔助iliary比的傳動軸

and has a mounting for the fuel lift pump. The correct

有一個mounting和燃料泵的提升。《正確

location of the assembly is ensured by a large dowel

裝配位置的冰ensured市一大dowel

and the axles of the idler gears in the timing case.

和從動輪的軸速的定時的案例。

The arrangement of the timing gears consists of the

《安排》報由定時齒輪

drive gear on the crankshaft (A6), the idler gear (A7)

驅動齒輪的曲軸（A6）、《齒輪從動輪（A7）

for the drive to the gear of the coolant pump (A8), the

這兩個驅動齒輪泵的coolant（A8）。

double idler gear (A4,5), the main idler gear (A9), the

雙齒輪從動輪（a4,5）的主、從動輪齒輪（A9），

drive gear for the fuel injection pump/camshafts (A1),

傳動齒輪的燃料噴射泵/ camshafts（A1）

the two camshaft gears (A3) and the aux iliary drive

《camshaft雙速（A3）和輔助iliary驅動

gear (A2). The drive gear for the fuel injection pump/

齒輪（A2）。在驅動齒輪的燃料噴射泵/

camshafts is bolted to the outer face of the camshaft

camshafts冰的栓接面外的camshaft

gear of ’B’ bank.

齒輪的B銀行。

The axles of the idler gears are bolted to the rear end

從動輪的軸的速度是比背栓接。

of the crankcase and the end float of each gear is

“crankcase and the of each齒輪比浮冰塊

limited by the thrust washers.

公司的止推墊圈。

There are timing marks on the drive gear of the

有時間的痕跡在傳動齒輪的

crankshaft, the double idler gear, the main idler gear,

曲軸的雙齒輪從動輪，主、從動輪的齒

the drive gear for the fuel injection pump/camshafts,

在驅動齒輪的燃料噴射泵/ camshafts，

the two camshaft gears and the auxiliary drive gear.

《camshaft雙速和輔助傳動齒輪。

The use of the timing marks ensures that the mesh of

《時間的痕跡，ensures網大學

each gear is correc t, before the timing of the fuel

每個錐齒輪修正之前的時間t的燃料

injection pump is checked and before the tappet

注射泵和冰檢查之前的挺桿

clearances are set. The teeth of the timing gears are

間隙是看到的。《定時齒輪的齒。

engaged correctly when the mark on the side of the

這樣定下來correctly當馬克在一邊的

tooth of a gear is between the marks on the s ides of

錐齒輪的齒之間的馬克在大學的理念

two teeth of another gear (A).

另一個齒輪兩齒部（A）。

Timing gears and auxiliary drive shaft

正時齒輪和輔助傳動軸

To obtain access to the timing gears, the engine must

要獲得定時齒輪，Perkins3012發動機必須

be disengaged from its driv en unit and its radiator,

從其驅動裝置及其散熱器脫離，

and fitted in a build stand if it is av ailable, operation

安裝在構建是否有效站，操作

16-1.

16-1。

This operation includes the removal of the fan, the air

此操作包括風扇的拆卸，空氣

cleaners and the support brackets, the air ducts, the

吸塵器及支架、風道、

coolant pipes and, if the engine is to be fitted in a build

冷卻液管，如果Perkins3012發動機是在建造中安裝的

stand, the front covers of the coolant galleries.

站，冷卻液展覽館的前蓋。

If a build stand is not av ailable, put the engine on

如果一個站沒有建立有效，把Perkins3012發動機

wooden supports on a strong hard floor and put a

在堅硬的地板上的木板支撐著

secure support under the rear of the sump adaptor in

在貯水池適配器的后部的安全支架

order to hold the flywheel housing above the floor.

為了將飛輪殼上方的地板上。

1 Remove the starter motor, if the engine has not

1拆下起動電機，如果Perkins3012發動機沒有

been fitted in a build stand.

已安裝在一個建立的立場。

2 Open the cover on the flywheel housing and

2打開飛輪殼蓋

remove the timing pointer.

刪除定時指針。

3 Remove the flywheel, operation 22-1.

3拆卸飛輪，操作22-1。

4 Disconnect the fuel pipes from the fuel lift pump and

4斷開燃油泵和燃油管的連接

the connection block for the spill fuel.

泄漏燃料的連接塊。

5 Remove the guard of the aux iliary drive.

5拆下的輔助驅動保護。

6 Disconnect the delivery pipe for the lubricating oil

6斷開潤滑油的輸送管

between the crankcase and the housing of the fuel lift

在曲軸箱和燃油箱的殼體之間

pump.

泵。

7 Remove the assembly of the mounting for the fuel

7拆下安裝的燃料組件

lift pump and release the nut which retains the cam on

提起泵，松開保持凸輪的螺母

the auxiliary drive shaft. Withdraw the spring washer

輔助傳動軸。撤回彈簧墊圈

and the cam, and ensure that the ’Woodruff’ key is not

與凸輪，并確保'半圓鍵不

lost.

失去了。

8 Disconnect and remove the fuel injection pump,

8斷開并拆下噴油泵，

operation 20-11.

操作20-11。

9 From the inner end of the auxiliary drive shaft (A),

9從輔助驅動軸的內端（一），

release the nut that retains the flange of the coupling.

松開保持連接的法蘭的螺母。

Remove the plain washer. Use the puller, 21825 837,

清除普通墊圈。用拉具，21825 837，

with the two bolts, 21825 839, to withdraw the flange.

用兩根螺栓，839 21825，取下凸緣。

Remove the Woodruff key. Before the engine is

拆下半圓鍵。在Perkins3012發動機前

dismantled further, check the backlash of the auxiliary

進一步拆除，檢查輔助的反彈

drive gear, if relevant to the job, as follows.

傳動齒輪，如果與工作相關的話，如下。

10 Put the special tool, VT15279, on the drive shaft

10將專用工具，vt15279，在傳動軸

and retain it with the nut from the coupling flange. Put

并將其與法蘭連接的法蘭連接。把

a dial test indicator with a magnetic base in the ’V’ of

在“五”的“伏”的磁性基地的撥號測試指標

the crankcase. Set the button of the dial test indicator

曲軸箱。設置撥號測試指示器的按鈕

on one of the faces of the special tool which is used

在使用的專用工具的一個面上

as a datum. Turn the s pecial tool to the limit of its

作為基準。把特殊的工具，它的極限

movement in both directions and check the reading

在兩個方向的運動，并檢查閱讀

on the dial test indicator. The permissible backlash is

在撥號測試指示器。允許的間隙是

0,10 to 0,33 mm (0.004 to 0.013 in). Remove the

不同于0,33毫米（0.004到0.013）。拆下

special tool.

專用工具。

11 Release the four bolts for early engines (six bolts

11釋放早期Perkins3012發動機的四個螺栓（六個螺栓

for new engines) which retain the housing for the oil

用于新Perkins3012發動機），它保留了機油的外殼

seal. Remove the housing and keep the pack of

密封。拆除房屋并保持包裝

laminated shims.

復合墊片。

12 Remove the flywheel housing, operation 22-4.

12拆下飛輪殼，操作中可以看到。

13 Withdraw the assembly of the auxiliary drive shaft

13撤回輔助傳動軸的裝配

from the timing case, and remove and discard the oil

從定時的情況下，取出并丟棄油

seal of the drive shaft. Current engines have

傳動軸密封。目前的Perkins3012發動機

improved oil seals which are integral with their

改進的油封，這是與他們的

housings and for these engines the housing must be

殼體和用于這些Perkins3012發動機的殼體必須是

discarded.

丟棄。

During the operation to remove the timing gears,

在操作過程中，以除去定時齒輪，

check the backlash of each gear. Use generally the

檢查各齒輪的齒隙。使用一般的

method whic h is given for the assembly of the gears.

方法，它給出了齒輪的裝配。

Make a record of the results.

記錄下結果。

To check the backlash of the camshaft gears, the

要檢查凸輪軸齒輪的齒隙

rocker boxes or pedestal rocker assemblies must be

必須是搖桿箱或底座搖桿組件

removed, operation 12-5, or operation 12-2, to

刪除操作12-5，或操作12-2，以

release the pressure of the valve springs.

釋放氣門彈簧的壓力。

14 Turn backward one or two turns the nut which

14把后一個或兩個圈轉一圈

retains the gear of the coolant pump. Remove the

保留冷卻液泵的齒輪。拆下

four nuts and the spring washers from the s tuds which

四螺母和彈簧墊圈的tuds這

retain the coolant pump and lift away the coolant

保留冷卻液泵，并將冷卻液帶走

pump from the timing case.

定時的泵。

15 Remove the nut which retains the gear and use

15拆下保留齒輪和使用的螺母

the puller, 21825 837, with the two bolts, 21825 839,

車夫，21825 837，用兩個螺栓、21825 839，

to withdraw the gear from the shaft of the coolant

從冷卻液的軸上取齒輪

pump.

泵。

16 Release and remove the bolt and the spring

16松開并拆下螺栓和彈簧

washer from the axle of the idler gear for the coolant

從惰齒輪軸墊圈的冷卻劑

pump. Lift away the assembly of the gear and the

泵。抬起齒輪和齒輪的裝配

axle.

軸。

17 Fit two 16 mm bolts, whic h are similar to the bolts

17安裝兩個16毫米螺栓，它類似于螺栓

which retain the fly wheel, in the face at the rear end of

其中保留的飛輪，在面對在后端

the crankshaft. These bolts should be used only to

曲軸。這些螺栓只能用在

turn the crankshaft with a suitable lever.

用一個合適的杠桿將曲軸轉動。

18 Turn the crankshaft until each location dowel of

18轉動曲軸，直到每個定位銷釘

the camshaft gears is toward the centre of the engine.

凸輪軸齒輪正朝向Perkins3012發動機的中心。

Remove the bolts which retain the camshaft gears

拆下保留凸輪軸齒輪的螺栓

and us e levers to remove c arefully the drive gear of

和我們E杠桿刪除C全傳動齒輪

the fuel injection pump/camshafts and the two

噴油泵凸輪軸和兩/

camshaft gears from the ends of the camshafts.

凸輪軸齒輪與凸輪軸的兩端。

19 Bend backward the tabs of the lock plate of the

19彎曲向后的鎖板的標簽

bolts which retain the assembly of the ax le for the

保留了斧頭的裝配的螺栓

main idler gear. Release the bolts and remove the

主傳動齒輪。松開螺栓并拆下

assembly of the axle and the gear wheel.

車軸和齒輪的裝配。

20 Similarly, remove the double idler gear with the

20同樣，以消除雙惰輪

assembly of its axle.

車軸總成。

To fit

適合

Check that the flanges at the drive ends of the

檢查在驅動端部的法蘭

camshafts are clean and are not damaged. Turn the

凸輪軸是清潔和不受損壞。轉

crankshaft until the A6 piston is at TDC and fit the

活塞在曲軸直到A6 TDC和適應

assembly of the double idler gear as follows:

對雙惰輪組件如下：

1 Slide the inner thrust washer, the assembly of the

1滑動內止推墊片，裝配

gear, and the outer thrust washer onto the assembly

齒輪，和外部的推力墊圈裝配

of the distance piece and the axle. Hold the

的距離和軸。持有

components in their positions on the distance piece.

組件在它們的位置上的距離。

Fit the assembly of the axle and the distance piece

安裝軸和距離件的裝配

through the timing case and into its recess in the end

通過定時的情況下，進入它的休會結束

face of the crankcase.

曲軸箱的面。

Ensure that the inner thrust was her remains in its

確保內在的推力是她的遺體

position on the distance piece. It is not possible to fit

距離件上的位置。這是不可能的

the double idler gear onto the axle when the axle is

雙齒輪在軸上的軸時

fitted already into its recess.

已安裝在其凹部中。

Ensure that the mesh is correct of the two timing

確保網格的正確性

marks on the teeth of the large gear with the single

大齒輪的齒痕與單

timing mark on the crankshaft (A).

曲軸上的正時記號（一）。

2 Hold the thrust plate and the lock plate against the

2持有推力盤和鎖定板

end of the axle and fit the two bolts. Tighten lightly the

軸的一端和配合的螺栓。輕輕擰緊

two bolts.

兩個螺栓。

3 Put a dial test indicator with a magnetic base in a

3在一個磁性底座上放置一個撥號測試指示器

suitable position and set the button on one of the teeth

合適的位置，并設置一個按鈕上的牙齒

of the larger gear of the double idler gear. Check the

對雙輥齒輪大齒輪。檢查

reading for the backlash of the larger gear which is

對于較大齒輪的齒隙讀數

relevant to the gear of the crankshaft. The permissible

與曲軸齒輪相關。允許

backlash is 0,100 to 0,240 mm (0.004 to 0.009 in).

間隙為0100至0240毫米（0.004至0.009英寸）。

Caution: To prevent axial movement when the

警告：防止軸向運動時

backlash is checked, press each idler gear against its

間隙檢查，按每個齒輪與

inner thrust washer.

內止推墊圈。

4 Move the dial tes t indicator to another suitable

4將撥到另一個合適的測試指標

position and set the button on the front face of the

位置并設置按鈕在前面的臉上

smaller gear. Check the axial movement of the

小齒輪。檢查軸向運動

assembly of the double idler gear. The permissible

的雙齒輪組件。允許

end-float is 0,100 to 0,425 mm (0.004 to 0.017 in).

最終的浮動是0100至0425毫米（0.004至0.017英寸）。

5 Tighten to 135 Nm (100 lbf ft) the two bolts and

5擰緊135牛米（100磅英尺）的兩個螺栓和

bend up each end of the lock plate.

把鎖板的兩端彎折。

Assemble and fit the main idler gear as follows:

裝配、安裝主傳動齒輪如下：

6 Insert the assembly of the axle through the timing

6通過定時插入軸的裝配

case and into its recess in the end face of the

在結束的情況下，進入它的休息的臉

crankcase. Fit the inner thrust washer and the gear.

曲軸箱。安裝內止推墊圈和齒輪。

Ensure that the mesh is correct of the timing mark on

確保網格是正確的時間標記

the tooth of the main idler gear with the two timing

與兩個定時的主要中間齒輪齒

marks on the teeth of the smaller gear of the double

雙齒小齒輪的齒痕

idler gear. Fit the outer thrust washer, the thrust plate,

惰輪。安裝外部推力墊圈，推力板，

the lock plate and the two bolts which retain the

鎖盤和兩根螺栓，保留

assembly. Tighten lightly the two bolts.

裝配。輕輕擰緊兩根螺栓。

7 Put the dial test indicator in a suitable position and

7將撥測指標放在適當的位置

set the button on one of the teeth of the main idler

設置按鈕在一個主要的托牙

gear. Hold stationary the double idler gear and check

齒輪。保持固定的雙齒輪和檢查

the reading for the backlas h of the main idler gear.

的主要中間齒輪的backlas閱讀H。

The permissible limits are 0,100 to 0,270 mm (0.004

允許的限制是0100至0270毫米（0.004

to 0.011 in).

到0.011。

8 Move the dial tes t indicator to another suitable

8將撥到另一個合適的測試指標

position and check the axial movement of the

位置和檢查的軸向運動

assembly of the main idler gear. The permissible

的主要中間齒輪總成。允許

end-float is 0,100 to 0,425 mm (0.004 to 0.017 in).

最終的浮動是0100至0425毫米（0.004至0.017英寸）。

Tighten the two bolts to 135 Nm (100 lbf ft).

擰緊螺栓的兩個135牛米（100磅英尺）。

9 Fit the idler gear for the coolant pump onto the

9安裝惰輪的冷卻液泵上

assembly of its axle, followed by the thrust washer. Fit

其軸的裝配，其次是推力墊圈。適合

the ass embly of the axle in its location in the end face

驢集合在端面的定位軸

of the crankcase and retain with the bolt and its spring

在曲軸箱和保持螺栓和彈簧

washer. Tighten lightly the bolt.

洗衣機。擰緊螺栓。

10 Put the dial test indicator in a suitable position and

10將撥測指標放在適當的位置

set the button on one of the teeth of the idler gear of

設置按鈕的一對齒輪的齒

the coolant pump. Check the reading for the backlash

冷卻液泵。檢查讀數的間隙

of the idler gear that is relevant to the gear of the

的齒輪，在齒輪的相關

crankshaft. The permissible backlash is 0,100 to

曲軸。允許間隙為0100

0,240 mm (0.004 to 0.009 in).

0240毫米（0.004至0.009英寸）。

11 Move the dial test indicator to another suitable

11將撥測指標移動到另一個合適的

position and check the axial movement of the idler

位置和檢查托輥的軸向移動

gear of the coolant pump. The permissible end-float

冷卻液泵齒輪。允許的最終浮動

is 0,20 to 0,40 mm (0.008 to 0.016 in). Tighten to 135

是20到1,00毫米（0.008到0.016）。擰緊135

Nm (99.6 lbf ft) the bolt which retains the assembly.

nm（99.6磅英尺）螺栓保留裝配。

12 Check that the flange of the coolant pump and its

12檢查冷卻液泵的法蘭及其

mounting on the timing case are clean. Put a new

安裝在計時的情況下是干凈的。把一個新的

joint over the studs and fit the assembly of the coolant

接頭在螺柱上，配合冷卻液的裝配

pump to the timing case with four nuts and four spring

泵到定時的情況下有四個螺母和四個彈簧

washers.

墊圈。

Caution: On the industrial engines, the outlet of the

警告：在工業Perkins3012發動機上，出口的

pump is downward.

向下泵。

13 Put the dial test indicator in a suitable position and

13將撥測指標放在適當的位置

set the button on one of the teeth of the drive gear of

設置一個齒輪的齒的按鈕

the coolant pump. Hold stationary the idler gear and

冷卻液泵。保持固定的齒輪和

check the backlash of the drive gear of the coolant

檢查冷卻液驅動齒輪的齒隙

pump. The permissible backlash is 0,100 to 0,280

泵。允許間隙為0100至0280

mm (0.004 to 0.011 in).

毫米（0.004至0.011英寸）。

14 Fit the gear of ’A’ bank on the flange of its

14將“一”銀行的齒輪安裝在其法蘭上

camshaft, insert the dowel and retain the gear with

凸輪軸，插入銷釘和保留的齒輪

three temporary bolts.

三個臨時螺栓。

15 Insert the timing mark on one tooth of the gear of

15在齒輪的一個齒上插入時標

’B’ bank between the two timing marks on the teeth of

'乙'銀行之間的2個時間標記的牙齒上

the gear of ’A’ bank and fit the gear of ’B’ bank on the

'銀行'的齒輪，配合'乙'銀行的齒輪

flange of its camshaft. Insert the dowel and retain the

凸輪軸的凸緣。插入銷釘和保留

gear with three temporary bolts. To check the

帶三個臨時螺栓的齒輪。檢查

backlash of the camshaft gears, the rocker boxes, or

凸輪軸齒輪，搖臂箱，或

the pedestal rocker assemblies, must be removed

必須拆除的底座搖桿組件

(operation 12-5 or operation 12-2) to release the

（操作12-5或操作12-2）釋放

pressure of the valve springs.

閥門彈簧的壓力。

Check the backlash of the gears of the camshafts as

檢查凸輪軸的齒輪側隙為

follows:

如下：

16 Put a dial test indicator with a magnetic base in the

16將一個撥號測試指標與磁性基礎

timing case and set the button on the side of a tooth

定時的情況下，并設置按鈕的一側上的牙齒

of the camshaft gear of ’A’ bank (A). Hold stationary

'一'銀行的凸輪軸齒輪（一）。保持平穩

the camshaft gear of ’B’ bank and rotate the camshaft

'乙'銀行的凸輪軸齒輪和轉動凸輪軸

gear of ’A’ bank to the limit of its movement in both

'一'銀行的齒輪的限制，其運動的兩個

directions. Check the reading on the dial test

方向。檢查刻度盤上的讀數

indicator. Permissible backlash for the camshaft

指示器。凸輪軸的允許間隙

gears is 0,100 to 0,250 mm (0.004 to 0.010 in).

齒輪為0100至0250毫米（0.004至0.010英寸）。

Caution: To ensure that a correct reading is

警告：確保正確的閱讀是

obtained, it is important that the gear of ’B’ bank is not

得到的，它是重要的，'乙'銀行的齒輪是不

allowed to move during this operation.

允許在該操作期間移動。

17 Remove the three temporary bolts from the

17拆下三個臨時螺栓

camshaft gear of ’A’ bank only. Apply ’Loctite 542’

'銀行'的凸輪軸齒輪。申請“Loctite 542

hydraulic sealant to the threads of the six bolts which

液壓密封件的六個螺栓的螺紋

retain the camshaft gear and fit the bolts, together

保留凸輪軸齒輪并配合螺栓，在一起

with plain washers, through the camshaft gear.

用平墊圈，通過凸輪軸齒輪。

Tighten each bolt to 40 Nm (30 lbf ft).

擰緊每個螺栓40牛米（30磅英尺）。

Remove the three temporary bolts from the cams haft

取下凸輪軸三臨時螺栓

gear of ’B’ bank and proceed:

'乙'銀行的齒輪并進行：

18 Ensure that the two dowels which provide the

18確保兩銷提供

locations for the camshaft gears are toward the centre

凸輪軸齒輪的位置向中心

line of the engine. Fit the drive gear of the fuel

Perkins3012發動機生產線。安裝燃油的驅動齒輪

injection pump/camshafts onto the extension of the

噴油泵凸輪軸上的延伸/

dowel of the ’B’ bank camshaft gear. Ensure that the

B銀行的凸輪軸齒輪定位。確保

gears mesh c orrectly: the two timing marks of the

C正確：齒輪嚙合的兩時標

drive gear for the fuel injection pump/ camshafts with

對噴油泵、凸輪軸驅動齒輪

the timing mark on the main idler gear (B). The two

在主傳動齒輪的正時標記（B）。兩

timing marks on the drive gear of the fuel injection

噴油器驅動齒輪上的計時標記

pump/camshafts is then in the correct position to

然后泵/凸輪軸是在正確的位置

receive the timing mark of the auxiliary drive gear.

接收輔助傳動齒輪的定時標志。

Retain the drive gear of the fuel injection pump/

保留燃油噴射泵的驅動齒輪

camshafts with three temporary bolts.

三臨時螺栓凸輪軸。

Two extra sets of two timing marks are

雙套雙計時標志

provided, on the drive gear of the fuel injection pump/

提供燃油噴射泵的驅動裝置/

camshafts, for the correct timing of two compressors

凸輪軸，對兩壓縮機的正確時機

in the automotive applications only (A). Ensure that

在汽車應用中（一）。確保

the correct timing marks are aligned during the

在正確的時間標記是對齊的

assembly of the timing gears.

正時齒輪組件。

19 Put the dial test indicator in a suitable position and

19將撥測指標放在適當的位置

set the button on one of the teeth of the drive gear of

設置一個齒輪的齒的按鈕

the fuel injection pump/ camshafts. Hold the main

噴油泵凸輪軸/。持有為主

idler gear and check the reading for the bac klash of

惰輪檢查BAC的側間隙的閱讀

the drive gear of the fuel injection pump/camshafts.

噴油泵的凸輪軸驅動齒輪/。

The permissible limits are 0,100 to 0,270 mm (0.004

允許的限制是0100至0270毫米（0.004

to 0.011 in).

到0.011。

20 Remove the three temporary bolts from the drive

20從驅動器上拆下三個臨時螺栓

gear of the fuel injection pump/camshafts. Apply

噴油泵的凸輪軸齒輪/。應用

’Loctite 241’ to the threads of the six bolts which retain

“樂泰241”到六，保留螺紋螺栓

the drive gear and fit the bolts, with the plain washers,

傳動齒輪，配合螺栓，用平墊圈，

in the drive gear. Tighten each bolt to 70 Nm (52 lbf

在傳動齒輪。擰緊每個螺栓70 nm（52磅

ft).

英尺）。

21 If relevant, fit the rocker boxes or pedestal rocker

21如果相關的話，適合的搖桿框或底座搖桿

assemblies, operation 12-5 or operation 12-2.

組件、操作或操作12-2 12-5。

Assemble the auxiliary drive shaft as follows:

裝配輔助傳動軸：

22 Fit the assembly of the auxiliary drive s haft in the

22適合的輔助傳動軸裝配在

outer race of the inner roller bearing. The mesh of the

內輥軸承外圈。網格的

timing mark on the gear with the two timing marks on

時間標記在齒輪上的2個計時標記

the drive gear of the fuel injection pump must be

噴油泵的驅動裝置必須是

correct (A).

正確（一）。

23 Fit the flywheel housing, operation 22-4.

23安裝飛輪殼22.4，操作。

24 Fit the housing for the oil seal of the auxiliary drive

24配合房屋的油封的輔助傳動

shaft, with a complete pack of laminated shims, onto

軸，一個完整的包的夾層墊片，上

the shaft and retain them with four bolts for early

豎井，并用四顆螺栓固定住他們的早期

engines, or six bolts for new engines, to the timing

Perkins3012發動機，或六個新的Perkins3012發動機螺栓，以時間

case. Do not press in a new oil seal, if relevant, or the

案例。如果有相關的話，不要壓在新的油密封件上

Woodruff key of the drive shaft, during this operation.

半圓鍵的驅動軸，在該操作中。

25 Fit the special tool, VT15279, to the auxiliary drive

25安裝專用工具，vt15279，來輔助驅動

shaft and retain it with the nut from the c oupling

軸和保留它從耦合螺母

flange. Put a dial test indicator with a magnetic base

法蘭。帶磁性底座的撥號測試指示器

in the ’V’ of the crankc ase. Set the button of the dial

在“V”的crankc ASE。設置撥號按鈕

test indicator on one of the faces of the special tool

專用工具的一個面上的測試指示器

which is used as a datum. Turn the special tool to the

作為基準使用。把專用工具變成

limit of its movement in both directions and check the

其在兩個方向的運動的限制，并檢查

reading on the dial test indicator. The permissible

在撥號測試指示器上讀取。允許

backlash is 0,10 to 0,33 mm (0.004 to 0.013 in).

反彈是0到0,33毫米（0.004到0.013）。

Remove the special tool.

取出專用工具。

26 Move the dial test indicator to another suitable

26將撥測指標移動到另一個合適的

position and check the axial movement of the

位置和檢查的軸向運動

assembly of the auxiliary drive. The permissible end-

輔助傳動裝置。容許端—

float is 0,076 to 0,127 mm (0.003 to 0.005 in). To

浮動為0076至0127毫米（0.003至0.005）。以

adjust the end-float, remove the housing of the oil seal

調整底浮，拆下機油密封殼

and reduce the thickness of the pack of the laminated

并減少了疊層的厚度

shims. Tighten the bolts which retain the housing of

墊片。擰緊保持房屋的螺栓

the oil seal.

油密封。

27 Chec k that the taper of the auxiliary drive shaft is

27測查，輔助傳動軸的錐度

clean, press in a new oil seal if relevant, and press the

清洗后，按新的機油密封，并按

Woodruff key into its keyway. Fit the flange for the

半圓鍵在鍵槽。安裝法蘭為

drive coupling onto the shaft, followed by the plain

驅動耦合到軸，然后由平原

washer and the nut. Tighten the nut to the relevant

墊圈和螺母。擰緊螺母到相關的

torque loads:

轉矩負載：

18 mm nut 200 Nm (148 lbf ft).

18毫米螺母200 nm（148磅英尺）。

22 mm nut 300 Nm (220 lbf ft).

22毫米螺母300 nm（220磅英尺）。

28 Fit the fuel injection pump, operation 20-11.

28安裝噴油泵，操作20-11。

29 Press the ’Woodruff’ key for the cam into its

29按“半圓鍵為凸輪的

location in the outer end of the auxiliary drive shaft.

輔助驅動軸的外端位置。

Slide the cam which drives the lift pump onto the drive

將舉升泵驅動的凸輪滑動到驅動器上

shaft, followed by the spring washer and the nut.

軸，然后由彈簧墊圈和螺母。

Tighten the nut to 54 Nm (40 lbf ft).

擰緊螺母54牛米（40磅英尺）。

30 Fit the assembly of the mounting for the fuel lift

30安裝燃油升降機的安裝組件

pump, operation 20-4.

泵運行20-4。

31 Connect the delivery pipe for the lubricating oil

31連接潤滑油的輸送管

between the crankcase and the fuel lift pump.

在曲軸箱和燃油泵之間。

32 Fit the guard of the auxiliary drive.

32配合輔助傳動的防護。

33 Connect the fuel pipes from the fuel lift pump and

33連接燃油泵和燃油管的連接

the connection block for the spill fuel.

泄漏燃料的連接塊。

34 Fit the flywheel, operation 22-1.

34安裝飛輪，操作22-1。

35 Remove the engine from the build stand,

35從建造支架上拆下Perkins3012發動機，

operation 16-1.

操作16-1。

1 Wash all the gears in kerosene, remove all the

1用煤油清洗所有的齒輪，除去所有的

deposits of thread locking compound and inspect the

螺紋鎖緊復合物的沉積

teeth for wear.

磨損牙。

Wear on the teeth is acceptable if there is no sign of

如果沒有任何跡象，牙齒上的磨損是可以接受的

erosion, and if the backlash is within the permissible

腐蝕，如果間隙是允許的

To dismantle and to assemble

拆卸和組裝

To dismantle

拆除

15-4

15-4

limits.

限制。

2 Test all the gears for cracks. Use the

2測試所有的齒輪裂紋。使用

electromagnetic method, if it is possible.

如果可能的話，電磁法。

3 Check the bus hes and the axles of the idler gears

3檢查總線他和惰齒輪軸

for wear. If suitable workshop facilities are available,

磨損。如果合適的車間設施，

new bushes may be fitted to the idler gears. New

灌木可以安裝在從動齒輪。新的

bushes are pre-finished and no further processes are

灌木是預先完成，沒有進一步的過程是

necessary after they have been fitted.

必要后，他們已經安裝。

4 Inspect the thrust washers. The thrust washers

4檢查推力墊圈。止推墊圈

must be renewed if there is a reduction in the size of

如果有減少的尺寸，必須重新更換

the grooves in the thrust faces.

推力面上的凹槽。

5 If it is necess ary to inspect the gears of the

5如果它是必要的檢查的齒輪

lubricating oil pump, for early engines, the

早期Perkins3012發動機的潤滑油泵

lubricating oil sump and the sump adaptor must be

潤滑油底殼和油底殼接頭必須是

removed, operation 19-1 and operation 19-3

刪除操作19-1經營19-3

respec tively. For new engines, the single piece

分別。對于新引擎，單塊

sump must be removed, operation 19-5.

水池必須移除操作19-5。

Double idler gear

雙惰輪

1 For early engines, remove the six bolts which retain

1為早期Perkins3012發動機，拆下六個螺栓，保留

the auxiliary drive gear and withdraw the gear from

輔助傳動裝置和從

the spigot of the auxiliary drive shaft.

該輔助傳動軸承。

To assemble

組裝

2 For early engines, put the gear on the spigot of the

2早期的引擎，把齒輪上的插口

shaft and, if necessary, fit the locating dowel.

軸和，如果有必要，將定位銷。

3 Apply ’Loctite 241’ to the threads of the six bolts

3適用的Loctite 241 '的六個螺栓的螺紋

which retain the gear and insert the bolts, with plain

其中保留齒輪和插入螺栓，與平原

washers, in the bolt holes of the gear.

齒輪的螺栓孔的墊圈。

4 Tighten evenly the bolts to a torque of 40 Nm (30

4將螺栓擰緊至40納米（30

lbf ft).

磅英尺）。

To dismantle and to assemble

拆卸和組裝

To dismantle

拆除

1 Release the 12 bolts from the large gear and

1從大齒輪上松開12個螺栓

separate the two gears.

單獨的齒輪。

To assemble

組裝

If the bush of the gear needs to be renewed, it may be

如果齒輪的襯套需要更換，則可能

an adv antage to do this while the two gears are

一個優勢為此而兩齒輪

separated, operation 15-2.

分離，操作15-2。

1 Ensure that the two gears are clean and dry.

1確保齒輪的清潔和干燥。

Fit in its correct position the larger gear on the spigot

安裝在正確的位置上的插口較大的齒輪

of the small gear, and insert the dowel.

在小齒輪，并插入銷。

2 Apply ’Loctite 241’ to the threads of the 12 bolts

2適用的Loctite 241 '的12個螺栓的螺紋

which hold together the assembly, and insert the

其中一組在一起，并插入

bolts, with plain washers, into the bolt holes.

螺栓，用平墊圈，入螺栓孔。

3 Tighten each bolt to a torque of 40 Nm (30 lbf ft).

3擰緊每個螺栓的扭矩40牛米（30磅英尺）。

Note: The grade of bolts which retain the timing case

注意：螺栓的等級，保留時間的情況

(A1) on the crankcase was changed in 1994. If the

（A1）曲軸箱上的轉變在1994。如果

timing case is removed from an engine with a build

定時的情況下，從Perkins3012發動機上拆下的一個引擎

line number before 12103, the bolts should be

12103號線前，螺栓應為

renewed and the latest steel joint must be fitted. The

必須安裝最新的鋼接頭。這個

new bolts should be tightened to a torque of 135 Nm

新的螺栓應擰緊至135納米的扭矩

(99.5 lbf ft). The five bolts which fit into the sump

（99.5磅英尺）。裝在水池中的五個螺栓

should be tightened to 75 Nm (55 lbf ft).

應擰緊75 nm（55磅英尺）。

To remove

刪除

1 Remov e the timing gears and the auxiliary drive

1清除定時齒輪和輔助驅動

shaft, operation 15-1.

軸，操作15-1。

2 From the bolts which retain the timing case, remove

2從螺栓上保留時間的情況下，取出

two bolts from the horizontally opposite sides of the

兩根螺栓從橫向相對的兩側

timing case. Make locally two guide studs and fit

正時箱。做本地雙導軌螺栓和配合

them into the bolt holes.

他們進入螺栓孔。

3 Us e a hoist and a rope sling through the opening for

3我們是一個提升機，一個是用繩子吊著的

the auxiliary drive shaft (A2) to hold the timing case,

輔助傳動軸（A2）舉辦時間情況，

and remove the remainder of the bolts and the single

除去剩下的螺栓和單

nut on early engines. Release carefully the timing

早期Perkins3012發動機上的螺母。小心地釋放時間

case from its dowels and lift it away from the

從其銷案例舉離

crankcase.

曲軸箱。

To fit

適合

Caution: For new engines which have the steel joint,

警告：新Perkins3012發動機的鋼接頭，

CV14584, the bolts which fasten the timing case to

cv14584，螺栓緊固定時案例

the crankcase and the sump are of a higher tensile

曲軸箱和油底殼具有較高的拉伸強度

strength, and an additional bolt is fitted instead of the

強度，和一個額外的螺栓安裝，而不是

stud. Also, the large dowel is retained by cap screws

螺柱。同時，大柱是由螺絲帽保留

instead of bolts.

代替螺栓。

1 Make locally a minimum of six suitable guide studs.

1在當地至少有六個合適的引導釘。

Degrease thoroughly the joint faces of the crankcase,

充分脫脂的曲軸箱接合面，

the timing case and the end of the sump, or the sump

時間的情況下，底殼，或污水坑

adaptor as relevant, if it has not been removed. Fit

適配器相關的，如果它沒有被刪除。適合

the guide studs into the bolt holes in the crankcase.

在曲軸箱中的螺栓孔中的導向螺栓。

2 Apply a 5 mm bead of silicone sealant, ’Hylosil

2采用5毫米珠硅酮密封膠，“hylosil

RTV’, across the full width of each face where the joint

RTV，全寬面連接處

between the sump (or sump adaptor) and the

之間的油底殼（或油底殼適配器）和

crankcase can be seen. Fit carefully a new joint onto

可以看到曲軸箱。小心一個新的連接到

the guide studs and move it against the joint face.

引導螺柱，并將其移向接合面。

Ensure that there is no distortion at the lower end of

確保在較低的一端沒有失真

the joint.

聯合。

Note: Early engines were fitted with a fibre joint; the

注：早期Perkins3012發動機配有光纖接頭；

new joint is made from steel and has a lay er of sealant

新接頭是由鋼制成的，有一個密封的密封膠條

already applied.

已經應用。

3 Use the rope sling through the opening for the

3使用繩套，通過開

auxiliary drive shaft (A2) to fit carefully the timing case

輔助驅動軸（A2）適合仔細定時情況

onto the guide studs. Release the rope sling and slide

在導向螺栓上。松開鋼絲繩和滑動

the timing case up to the crankcase.

定時的情況下，到曲軸箱。