TM-9-2320-280-20-3
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; UNIT MAINTENANCE; VOLUME 3 OF 3
JANUARY 1996
TM-9-2320-280-20-3 - Page 139 of 1168
10-70. WINDSHIELD WIPER BLADE AND ARM MAINTENANCE
Tools
General mechanic’s tool kit:
automotive (Appendix B, Item 1)
Materials/Parts
Spring (Appendix G, Item 299.1)
Manual References
TM 9-2320-280-10
TM 9-2320-280-24P
This task covers:
a. Removal
c. Installation
b. Repair (Optional)
INITIAL SETUP:
NOTE
Ensure windshield wiper motor switch is in OFF position. Note
position of wiper arm for installation.
NOTE
Perform only if wiper blade and arm assembly is to be replaced.
1.
Remove screw (1), nut (10), and blade assembly (8) from wiper arm (2).
2.
Lift wiper arm (2) away from windshield (9).
3.
Lift up latch (3) at base of wiper arm (2) and remove wiper arm (2) from splined shaft (4).
NOTE
If spring inside wiper arm looses its tension, it can be replaced
with spring as an alternate to replacing the wiper arm.
1.
Remove wiper arm (2) and blade assembly (8). See task a.
2.
Remove spring (7) from wiper arm (2). Discard spring (7).
3.
Install spring (7) in second hole (6) of wiper arm tabs (5).
4.
Install wiper arm (2) and blade assembly (8). See task c.
NOTE
• Perform
only if wiper blade and arm assembly was removed.
• With motor switched OFF (parked position), mount wiper arm
approximately 60° to vertical centerline, so that a sweep of
approximately 120° will be achieved in operation.
1.
Ensure wiper arm latch (3) is unlocked.
2.
Install wiper arm (2) on splined shaft (4).
3.
Install blade assembly (8) on wiper arm (2) with screw (1) and nut (10).
c. Installation
b. Repair (Optional)
a. Removal
TM 9-2320-280-20-3
10-116
Change 2
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