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ROTATION BEARING REPLACEMENT
GUIDELINES—5005 THRU 8406
2/13/12
All bearings can wear over time. This includes the main rotation bearing on the crane. No pre-
cise rules can be given for replacement of the rotation bearing, since many factors are in-
volved. However, there are common symptoms seen during crane operation that may be
caused by rotation bearing wear. These symptoms include:
1. Excessive Noise
2. Rough rotation
3. Increased drive power required to rotate.
4. Metal particles in grease
REASONS FOR ROTATION BEARING REPLACEMENT
1. Any noticeable cracking in the bearing housing
2. Damage to internal teeth
3. Excessive axial play (reference axial play check instructions below)
WARNING—NEVER TRY TO REPAIR A ROTATION BEARING. FOR A REPLACE-
MENT BEARING CONTACT YOUR LOCAL AUTHORIZED DISTRIBUTOR.
AXIAL PLAY ALLOWANCE CHECK PROCEDURE
1. Boom up to the max boom angle and measure the clearance between base plate and the
rotation bearing with a dial or filler gauge. Reference figure 1 for location.
2. Boom down to the horizontal position and measure the clearance between the base plate
and the rotation bearing with a dial indicator or feeler gauge. Reference figure 1 for loca-
tion.
3. If the difference between the two measurements exceeds 1/16 inch, replace bearing.
4. Rotate crane 45 degrees then repeat steps above until you reach 360 degrees of rotation.
Rotation bearing replacement kit part number is 480023010
WARNING—WHEN REPLACING ROTATION BEARING, USE NEW HARDWARE WHICH IS
INCLUDED IN THE KIT ABOVE.
Содержание 6006EH
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Страница 39: ...6006EH DECAL LAYOUT P N 366704000 4 5 0 4 21 06 8 15 9 7 3 13 10 4 1 16 1 15 6 5 7 3 11 4 8 17 12 ...
Страница 45: ...6006EH GENERAL ASSEMBLY HARDWIRED W SLIP RING P N 366600000 6 1 2 15 11 ...
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Страница 47: ...6006EH GENERAL ASSEMBLY HARDWIRED W O SLIP RING P N 366780000 6 3 2 15 11 ...
Страница 49: ...6 5 2 15 11 6006EH PEDESTAL ASSEMBLY W SLIP RING P N 366640000 ...
Страница 50: ...6006EH PEDESTAL ASSEMBLY W SLIP RING P N 366640000 6 6 2 15 11 ...
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Страница 56: ...6 12 2 15 11 6006EH PEDESTAL ASSEMBLY W O SLIP RING P N 366781000 ...
Страница 59: ...6006H ROTATION GEARBOX P N 160407 6 15 0 9 12 05 ...
Страница 61: ...6006EH ACTUATOR ASSEMBLY P N 297025 6 17 0 04 26 10 ...
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Страница 81: ...6006EH HYDRAULIC POWER UNIT P N 366650000 8 3 0 9 12 05 ...
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