CAUTION
Risk of injury
Rotating parts can cause injuries.
►
Keep a safe distance from rotating parts. Wait for them to stop completely.
► Do not wear too loose-fitting working clothes (no jewellery, a hairnet if needed).
Checking the winch
Conduct a visual inspection of the AUTOMATIC winch:
■ When required, clear snow and ice from the AUTOMATIC winch.
■ Check for neat coiling of the cable on the drum.
■ Check the bolts and bolt fittings on all mounting points, re-tighten the bolts as specified if nec-
essary.
■ Check the AUTOMATIC winch frame, winch mounting points and winch arm.
■ The electrical system, and particularly safety and warning devices, must be checked to ensure
they are functioning correctly.
■ Carry out visual inspection of the complete hydraulic system for possible loss of oil:
□
Hydraulic hoses
□ Joints
□ Valves
□ Hydraulic motors
□ Quick-lock couplings
■ Carry out a visual check of the hydraulic tilting mechanism.
■ Check that the hydraulic cable guide is functioning correctly.
■ Pull at the cable several times to check if the toggle switch is working properly.
The AUTOMATIC winch's actual working hours are displayed by the AUTOMATIC winch working
hours
counter. Depending on the number of hours, carry out the work as indicated in the maintenance
table and lubrication schedule.
AUTOMATIC winch maintenance schedule
Table for maintenance work on the AUTOMATIC winch
Work to be performed Operating hours
Daily
10
50
100
150*
400
800
and then ...
Check AUTOMATIC winch for proper func-
tion and potential damage
X X*
Check and, if necessary, re-tighten the
bolts and locking system for the AUTO-
MATIC winch and the front and rear fittings
on the vehicle frame
X X*
every 10 h
Lubricate the lubrication points X X* every 50 h
Lubricate cable guide rollers in the winch
arm and check ease of movement
X every 50 h
Check oil level of winch gear
➽
See "Check oil level of winch gear" (p. 242)
X X* every 50 h
Test the bearings for noise X X* every 100 h
Operating and Maintenance Manual
Snow groomer BISON
236
(255)
15 - AUTOMATIC Winch
BISON 908930245 - 30367
15.8.2
15.8.3
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