TM 5-3810-306-20
CAB SKYLIGHT COUNTER BALANCE CYLINDER REPLACEMENT
TOOLS:
General mechanic’s tool kit: automotive (5180-00-177-7033)
SUPPLIES:
Lockwashers (Item 2, Appendix C) (2 Required)
EQUIPMENT CONDITIONS: Skylight window closed.
REMOVAL:
1.
REMOVE COUNTER BALANCE CYLINDER (1).
a. Hold counter balance cylinder (1) in place.
b. Remove two nuts (2) and lockwashers (3).
Discard lockwashers (3).
c. Pull counter balance cylinder (1) from skylight
window and cab frame mounts.
d. Remove lock assembly (4) by unscrewing
balljoint (5).
2.
INSPECT PARTS FOR DAMAGE. REPLACE AS
REQUIRED.
INSTALLATION:
1.
INSTALL COUNTER BALANCE CYLINDER (1).
a. Install lock assembly (4) on cylinder and secure
with balljoint (5).
NOTE
Knob on lock assembly (4) must
point down.
b. Install counter balance cylinder (1) to skylight
window and cab frame mounts.
c. Install two new lockwashers (3) and nuts (2).
2.
OPEN SKYLIGHT WINDOW.
3.
MAKE
SURE
SKYLIGHT
WINDOW
OPENS
SMOOTHLY. IF NOT, ADJUST KNOB (4) UNTIL
NO FRICTION IS FELT.
END OF TASK
15-31
