Doosan D1146 - Install the idle gear by coinciding...; Check and adjust the amount of backlash...; Injection pump flange; Injection pump

•
Install the idle gear by coinciding the
marks impressed on the crank gear, cam
gear, fuel injection pump drive gear, and
idle gear.
•
Install a thrust washer on the idle gear
and tighten to specified torque.
•
Check and adjust the amount of backlash
between gears using a feeler gauge.
9.3.15. Injection pump flange
•
After assembling the fuel injection pump
gear to the idle gear, tighten the
assembling bolts of the injection pump
flange.
•
Mount gasket by aligning the bolt holes
with the pin holes on the bearing
housing.
•
Turning the flywheel, adjust the pointer
to the 19
˚ position of the engraved scale.
•
After adjusting the injection timing of fuel
injection pump drive gear, tighten the fix-
ing bolts in the direction of fuel injection
pump.
9.3.16. Injection pump
•
Install the injection pump bracket in the
cylinder block.
•
After measuring the amount of run-out
with an alignment setting jig,
disassemble the bracket, adjust the
shims, then reassemble it.
- 107 -
EA9M3015
Fuel injection
pump drive gear
Idle gear
Cranshaft gear
Cam
shaft
gear
Mark "0"
Mark "2"
Mark "1"
2
2
2
2
2
1
1
1
1
1
Torque 3.1 kg
.
m
Measuring position
Backlash Limit
(between)
Cam gear & idle gear 0.16 ~ 0.28 mm 0.35 mm
Crank gear & idle gear 0.16 ~ 0.28 mm 0.35 mm
Injection pump & idle gear
0.16 ~ 0.28 mm 0.35 mm
EA9M3021
EAMD107I
Run out 0.2 mm or less