Dover TWG TULSA WINCH 506W, Руководство по обслуживанию

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SERVICING THE MOTOR
1. Remove the tube
(Item 46)
and counterbalance block
(Item 42)
from the motor assembly.
2.
Remove the counterbalance valve
(Item 25)
from the block
(Item 42)
and inspect the small
metering hole located on the side of the valve to make sure it is not obstructed. Also, inspect
the o-ring
(Item 7-3)
for damage and replace if necessary.
3.
For special assembly 81697001 remove the check valve
(Item 58)
and female connector
(Item
59).
Inspect for damage and replace if necessary. When replacing check valve, be sure arrow
is facing the counterbalance block during installation.
10
4. Motors and counterbalance valves are not serviceable in the field. Return them to an authorized
dealer for service.