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 TM 55-1905-223-24-2
the bore or on the shaft. Replace the bearing if any of these conditions are noted.
(2)
Helical compression spring (15).
c.
Repair components.
(1)
Repair will consist of installing new bearings and helical compression springs.
(2)
The output shaft anti-friction bearings will be replaced after 115,000 hours of operation, regardless of
condition.
WARNING
The spur gear, P/N WAV850-R2, must be mounted in a
hot condition.
ASSEMBLY
a. Install front bearing.
(1)
Install bushing (22), cover (5), shaft sealing ring (6), and bearing (7), onto shaft (1). Use hydraulic press to
install bearing (7).
(2)
Replace round nut (8).
(3)
Replace straight threaded pin (21).
b. Replace spur gear (9).
(1)
Install clamping sleeve (2) and fitted key (3) in shaft (1).
(2)
Heat spur gear (9) to 1800 above ambient temperature and press gear on to shaft (1).
c.
Install hexagonal head capscrews (4 and 22). Replace round nut (10) and assembled washer/screw (20).
d. Install rear bearings.
(1)
Install bearing (11), using hydraulic press.
(2)
Replace ring spacer (12).
(3)
Install bearing (13) using hydraulic press.
(4)
Replace ring spacer (14).
(5)
Replace round nut (19).
4-30
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