Doosan GL08K - Page 92

Maintenance - 86 -
 Install the idle gear by coinciding the
marks impressed on the crank gear,
cam gear, ignition taming 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.
3.3.14. Ignition timing drive gear
 Mount gasket by aligning the bolt holes
with pin holes on the timing drive gear
housing.
 After tighten the fixing bolts in the
direction of the coupling.
3.3.15. Ignition control module (ICM)
 Mount the ignition control module
bracket on the cylinder block.
 Assemble the fixing bolts with the
ignition control module and fuel
metering valve.
Mark "0"
Crank
shaft
gear
Idle gear
Mark "1"
Mark "2"
Camshaft gear
Ignition timing
drive gear
ED4OM026
Torque 3.1 kg • m
Measuring position
(between)
Backlash
Camshaft gear & idle gear 0.203 ~ 0.392 mm
Crank gear & idle gear 0.178 ~ 0.366 mm
Injection pump & idle gear 0.16 ~ 0.28 mm
EB8O6004
Torque 3.5 kg • m
Fuel metering
valve
Ignition control
module(ICM)
ED4OM027