Digga Magnum II Series, Руководство оператора и каталог запасных частей

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13. Pack the bearings with grease and install the bearing spacer ring (right lower bearing assembly
only).
14. Apply a light film of grease to the inside of both seal cap shaft seal bores and install the rotor
shaft seals.
NOTE: Apply force to the outer rim of the rotor shaft seals to prevent seal damage.
RIGHT LOWER BEARING
ASSEMBLY SHOWN
BEARING
BEARING
HOUSING
BEARING LOCKING WASHER
BEARING LOCKING NUT
INNER ROTOR SHAFT SEAL
WITHDRAWAL SLEEVE
ROTOR SHAFT SEAL
OUTER SEAL CAP
SPACER RING
INNER SEAL CAP
15. Apply light film of grease between the dual lips of the inner rotor shaft seals and on the rotor
shaft itself where the shaft seal will be located taking extra care not to apply too much.
Excessive grease will be wiped off of the seal during installation onto the rotor shaft and
become trapped between the bearing inner race and the shoulder on the rotor shaft. This can
wear away during operation resulting in a loose bearing.
16. Position the inner seal cap onto the housing with the push off holes aligned with the counter
bore holes in the housing to prevent damage during future maintenance. Install the inner seal
cap using the existing cap screws and loctite 271. Torque to 25 ft. lbs.
17. Clean the inner bore surfaces of the bearing of all protective oil coating and apply a light coat of
machine oil to the inner race of the bearing and all surfaces of withdrawal sleeve and rotor shaft.
Loosely install the withdrawal sleeve into the bearing.
18. Position the bearing assembly onto the rotor shaft and secure in place using the existing .50”
hardware and loctite 271. Check that the left and right lower bearing assemblies are correctly
oriented and that the grease fitting guard is reinstalled onto the left lower bearing assembly
with the 3.00” long cap screws. Torque all cap screws to 80 ft. lbs.
19. Install the bearing lock washer. Apply a coat of machine oil to the threads on the bearing
lock nut and install the lock nut onto the rotor shaft. Lightly torque to approximately 50 ft. lbs.
MAINTENANCE & SERVICE
QUALIFIED TECHNICIAN MAINTENANCE
PM-000102-A OCTOBER 2017 38