2
Fig. 57. Dismantling of injection pump
1.
Lock pin
2.
Shims
7.
Release the injection pump. Turn the stop lever
clockwise and carefully lift up the pump so that the
l
ock pin to the regulator arm is accessible (Fig. 57).
Remove the lock pin and release the regulator arm.
Lift off the injection pump.
NOTE! Take care off the shims under the injec-
tion pump flange.
8.
Dismantle the timing gear casing.
2
Fig. 58. Timing gears, basic setting
1.
Crankshaftgear
3.
Camshaftgear
2. Intermediate gear
9.
Pull round the engine until the markings on the tim-
i
ng gears correspond.
Fig. 59. Dismantling of circlip to cover for the oil pump
10.
Remove the circlip for the intermediate gear
(
Fig. 59). Take care of the sleeve washer, spring
and shims.
Lift off the gear complete with cover and oil pump.
11.
Dismantle the crankshaft gear with a universal ex-
tractor.
12. If the camshaft gear is to be dismantled the cam-
shaft must be removed complete. See under head-
i
ng "Dismantling of camshaft" on page 44.
I
nspection of timing gears
Fig. 60. Checking of gear flank clearance
Clean the gears and other parts of the timing gears and
check them carefully. Replace gears which are heavily
worn or damaged.
Check the flank clearance with a feeler gauge or a dial
gauge.
Max. permissible flank clearance: 0.25 mm (.0098 in).
Note: If the flank clearance exceeds the permissible
value all the the gears in the timing gears should be re-
placed.
Engine body
4
1
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