MCi Crusader II 1989 Maintenance Manual page 111

Date
1-1-89
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3_-3_6 _ _
MC-9 MAINTENANCE MANUAL
TORQUE SPECIFICATIONS
A 12-15 LB-FT
B 40-50 LB-IN
C 60-70 LB-IN
IDLE SHAFT
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ASSEMBLY
LINKAGE
ARM
SLEEVE
Figure 3-36. Windshield Wiper Motor.
The motor consists of four subassemblies: valve. body (two
halves), piston, and shaft and gear assembly. Subassemblies
may be replaced as complete units, or they may be disas-
sembled and repaired. See figure 3-36. Follow this procedure
to disassemble wiper motor:
1. Remove the three screws holding the body halves together.
Holding the shatt in one hand, separate the halves. Note posi-
tion of motor valve in body half and position o.f timing marks on
gear and rack.
2. Remove the shaft, gear and sleeve assembly.
Disassemble the subassemblies accordingly.
3. BODY HALVES: No further disassembly is required.
4. MOTOR VALVE ASSEMBLY: Remove from body half. No
further disassembly is required. Replace if necessary with
proper valve.
5. PISTON ASSEMBLY: Remove from body halves. Remove
O-rings. rubber bumpers and spacers.
6. SHAFT AND GEAR ASSEMBLY: Remove shaft and bear-
ings and check for concentricity. If gear has excessive wear,
replace.
7. Clean all metal parts
with
an approved solvent. inspectfor
excessive wear and replace where necessary. Check both
body halves for excessive scoring and replace it. necessary.
8. Always replace main cylinder O-rings and valve body
seals when assembling.
NOTE: Blow all air passages clear.
9. Lubricate parts with Sprague Air Push grease only.
10.
Assemble the four subassemblies in reverse order.
11. Install motor valve in proper position. Check the
assembled motor for excessive air leakage with leak detector
and tighten carefully where necessary.