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 TM 55-1905-223-24-12
e. Check offset alignment.
(1)
Position straight edge squarely across both hubs of coupling.
(2)
Check clearance between straight edge and hubs, using thickness gauge.
If clearance exceeds .010 inch, offset alignment must be corrected.
Check clearance at 90o intervals. Excessive clearance (above .010 inch) at any point, indicates
(3)
need for correction.
SERVICE
a. Set gap and angular alignment and offset alignment.
(1)
Loosen, but do not remove, pump mounting bolts.
(2)
Move or shim pump, as needed, to bring alignment clearances within tolerances.
(3)
Secure pump mounting bolts.
b. Assemble coupling covers.
(1)
Position seals (3) on coupling hubs so that they are aligned with grooves in covers.
(2)
Position gasket (6) on lower cover with bolt holes aligned.
(3)
Raise lower cover into position on underside of coupling with grooves in cover fitting over coupling
seals.
(4)
Lower upper cover into position on coupling with bolt holes aligned.
(5)
Install bolts (8) and nuts (7) and torque to 200 in-lbs.
c. Grease coupling.
(1)
Remove both lube plugs (1).
(2)
Install grease fitting into one lube hole.
(3)
Pump grease into fitting until grease comes out of open lube hole.
(4)
Remove grease fitting.
(5)
Install both lube hole plugs (1).
(6)
Wipe off excess grease.
(7)
Remove out of service tag and restore system to normal operating condition (see TM 55-1905-223-
10).
2-16
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