Inspection - MCi Crusader II 1989 Maintenance Manual

Date 1-1-89.
Page 5-6
MC-9 MAINTENANCE MANUAL
INSPECTION
NOTE: All parts must be clean and dry for
inspection.
1. Inspect release levers for excess wear at all points of
contact with pressure plate. release sleeve retainer, and pivot
pin. If levers are bent or worn. replace with new levers. It is good
preventive maintenance to replace levers during clutch rebuild.
2. Inspect release sleeve retainer for wear in lever groove
and internal splines. Refer to specifications for driving slot
clearance between flywheel ring drive slots and release sleeve
retainer drive lugs.
3. Inspect spring pivots tor cracks: if visible. replace.
4. Check release sleeve subassembly bushing for excessive
wear. Check bearing diameter for tight fit. Refer to specifica-
tions and replace if necessary.
5. We recommend replacing the release bearing and sleeve
assembly as a umt at the time of clutch rebuild.
6. Check pivot pin holes in adjusting ring for wear. Clear-
ance may not exceed .010" (.254 mm) between pin and hole.
Inspect for cracks; replace if cracks are visible.
7. Inspect the flywheel ring for cracks. Replace if cracks are
v1s1ble. Check ·slots for indentation caused by wear of pressure
plate driving lugs. Note specifications for slot limits.
8. Inspect bolt circle face and pilot for nicks and burrs due.to
removal or handling. Remove burrs with file to ensure proper
seating and squareness when clutch· is mounted on flywheel.
9. Inspect fulcrum of pressure plate for wear. If wear
exceeds .015" (.38 mm), remachine. See specifications for max1-
mul'!l rework.
10 Inspect friction surface of pressure plate for scoring.
burning, heat checking or distortion. If friction surface is badly
scored. heat checked. warped or dish_ed in excess of .01 O" (.254
mmL resurface or replace with new pressure plate. Smooth and
flat pressure plate surfaces are required for satisfactory clutch
11fe.
11. Check dnve lugs for wear per specifications.
12. Inspect friction surfaces of intermediate plate for heat
checi<s. scoring or distortion as noted 1n the above paragraph.
Inspect driving slots of intermediate plate for wear. See speci-
fications.
,3. Inspect disc assembly for cracks. loose rivets. worn
sp11nes. warped or dished condition Straighten if dished or
warped: .015" (.381 mm) maximum runout. Replace 1f hub 1s
cracked or splines are worn excessively.
14 Replace facings 11 they are glazed. scored. worn down to
rivet heads. burned. or 11 grease or oil is on them. Check specifi-
ca11ons for proper thickness. Proper riveting is essential. Use a
star- set anvil to spread the nvet so it contacts the tapered
counterbore of the facing. Do not use a roll or eyelet am·11
1except with metallic facings).
ASSEMBLY
~ Place flywheel rrng upside down on a table or workbench.
Use a small paint brush and coat threads of adjusting ring and
,nternal threads of flywheel ring with Darina EP-1 (figure 5-14).
2. Assemble adjusting ring to flywheel nng with "notches"
down Preset ad1ust1ng ring by placmg two pivot pins in adjust-
ing ring bosses directly opposite each other. Dimension from
flywheel ring mounting surface to straight edge to be approxi-
mately 2-11 I 16" (68.3 mm) (figure 5-15).
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Figure 5-14. Coat Threads.
Figure 5-15. Adjusting Ring Dimensions:
3. Install three threaded rods in holes provided in flywheel
ring. Place hex nut on opposite side of flywheel ring. Place
spring pivots (F-4) on bosses in flywheel ring (C-1) and retainer
( F -2) (figure 5-16).
Figure 5-16. Install Spring Pivots.