TM
9-2320-260-34-1
3-83. INJECTOR AND VALVE ADJUSTMENT (TORQUE METHOD) (Contd)
15.
Loosen locknut (1) on intake rocker lever (3) and back out adjusting screw (2).
NOTE
Clearance for cold-set intake valves is 0.014 in. (0.36 mm).
Clearance for cold-set exhaust valves is 0.027 in. (0.69 mm).
Using feeler gage, measure clearance between intake rocker lever (3) nose and crosshead (4).
16.
17.
Slowly turn adjusting screw (2) down until intake rocker lever (3) touches feeler gage. There will be
a slight dragon feeler gage when clearance is correct.
NOTE
Ensure adjusting screw does not move when tightening locknut.
When clearance is correct, hold adjusting screw (2) in place with screwdriver and tighten locknut (1)
18.
40-45 lb-ft (54-61 NZm).
Perform adjustment procedures (steps 15 through 18) on exhaust rocker lever (5).
19.
NOTE
After each set of injector and valve adjustments, advance pulley
to next timing mark and adjust injector and valve until all
timing is complete.
Two complete revolutions of the pulley are required to adjust all
injectors and valves.
20.
Advance accessory drive pulley (7) on gearcase (6) in direction of operating rotation until next timing
mark (8) (table 3-7, Injector and Valve Set Position) alines with pointer (9) on gearcase (6). Perform
injector and valve adjustments (steps 1 through 19) as indicated in table 3-7, Injector and Valve Set
Position.
ADJUST
ROTATION
PULLEY
CYLINDER
POSITION
DIRECTION
INJECTOR
VALVE
1-6 `VS"
3
5
start
2-5 "VS"
6
3
Advance to
2
6
3-4 `VS"
Advance to
4
2
1-6 `VS"
Advance to
4
2-5 "VS"
1
Advance to
1
3-4 `VS"
5
Advance to
3-248
