Elliott Digger Derrick, Руководство по эксплуатации и техническому обслуживанию, Страница: 230 / 376

7
DISASSEMBLY
1.
Stand the winch on its end with the motor pointing up.
2.
Remove the brake hose from the brake housing ( Item 18 ). Remove the motor and brake
valve assembly from the winch by removing the capscrews holding the motor to brake cover.
See Servicing the Motor section for motor and counterbalance valve dis-assembly.
3.
Remove the brake sub-assembly from the winch by removing the eight capscrews (Item 9)
holding the brake housing to the side plate (
Item 26 ). Re-install two of these capscrews into
the two extra tapped holes and tighten them evenly until the brake housing has come loose
from the side plate.
See Servicing the Brake section for brake repair .
4.
Using two crows foot pry bars, hook the bearing carrier ( Item 23 ) from inside and pull it out of
the cable drum. If necessary remove and replace the bearing ( Item 25 ) and seal ( Item 22 )
located in the bearing carrier.
5.
Remove the input sun gear ( Item 8 ) from the input planet assembly ( Item 32 ).
6.
Install three 1/4" eyebolts into the three planet pins in the input planet set (Item 32) and with a
piece of chain, pull the planet set from the drum. Inspect the planet set for wear and repair
as needed.
See Servicing the Planetary Set section for dis-assembly and repair.
7.
Remove the output sun gear (Item 14).
8.
Check the drum teeth for wear. This wear can be measured as follows: place a magnetic
base dial indicator on the output carrier and adjust the plunger of the dial indicator at the
approximate middle of one of the planet gear teeth. Using a screwdriver or your finger, rotate
the planet gear back and forth, reading the movement on the dial indicator. If the total
movement is greater than 0.025", then the drum should be replaced.
9.
Using the same procedure as in Step 6, remove the output planet set ( Item 4 ) from the drum.
Inspect the planet set for wear and repair as needed. See Servicing the Planetary Set
section for dis-assembly and repair.
10.
Carefully turn the winch over onto the motor side.
11.
Remove shaft ( Item 29 ) from side plate ( Item 26 ) by removing eight capscrews ( Item 9 )
holding shaft ( Item 29 ) to side plate ( Item 26 ). Inspect retaining ring ( Item 3 ) to insure it is
still in groove and is not bent over, replace if necessary.
12.
Remove the drum ( Item 5 ).
13.
Inspect bearing ( Item 25 ) for signs of spalling or pitting and if necessary replace the bearing
( Item 25 ) and seal ( Item 22 ) located in the drum.