SERVICE INSTRUCTION
12ST ver. 3.0 – 12ST FS ver. 1.0
Tools required for service:
Allen key (4 mm.).
Screwdriver (small).
Winch handle.
ANDERSEN Winch grease.
1. Remove screws (1).
2. Remove self-tailing arm (2) and drum (4).
3. Insert a winch handle. Pull up the drive shaft (5) gently, while turning ratchet gear (15)
carefully. Remove drive shaft (5).
4. Remove pawls (6) and arm springs (7).
5. Remove ratchet gear (15). DO NOT remove the insert plate (14) but make sure that the
insert plate is positioned in its groove.
6. To release the roller bearing (8), gently insert a small screwdriver between roller bearing
and base (13). Remove roller bearing.
7. Remove spring (12). DO NOT remove the pawl (11) and the spring (12) on the base.
8. Clean all parts in benzine. Remember to clean the gear teeth and roller bearing track.
9. Assemble in reverse order. During assemble, by the use of a small soft brush lightly grease
all gear teeth, drive shaft, roller bearing, shafts, pawls, springs and bushings. Pawls should
only be lubricated with a very thin film of ANDERSEN WINCH GREASE. It is very important
that pawls can move freely.
IMPORTANT: When assembling the winch, check the functioning of each pawl by pushing the
pawl against the spring. The pawls should move smoothly and automatically return to their normal
position, where the pawls engage with the teeth. If the pawls do not function correctly, clean and
lubricate the pawls and gears. Check the function of the pawls again to make sure that it works
correctly. If the pawls do not work correctly replace the springs and recheck the functioning.
Malfunctioning pawls may lead to unexpected failure of a loaded winch resulting in material
damage or fatal personal injury.
Service Kit No: 18 (art. no. 710018) contains spare parts for this winch.
For current World Wide Distributor list please see:
www.andersenwinches.com
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