Maintenance - Milwaukee 5339-20 Repair Instructions

REPAIR
INSTRUCTIONS

Maintenance

General It is recommended that maintenance be performed on the machine at regular intervals or when the car-
bon brushes reach end of life.
Cleaning Clean all parts – with the exception of the electrical parts and clutch– with cold cleaning solvent. Cau-
tion! No cleaning solvent should penetrate into the bearing. Clean the electrical parts with a dry brush.
Check for wear Check the disassembled parts for wear (visual inspection) and replace worn parts.
Electrical tests Before reassembling, perform an electrical test on all relevant parts (refer to repair instructions).
Lubrication Each time carbon brushes wear out and loose contact with commutator it is recommended that the ma-
chine be fully disassembled and all old grease removed and replaced with new grease. Service main-
tenance kit No. 14-46-0041 contains all necessary lubrication, gaskets and o-rings to properly service
the macine.
Refer to service maintenance kit information below to determine which lubrication instructions need to
be followed.
Maintenance Kit No. 14-46-0041 contains three (3) different greases:
Type 'P' grease (2 - 100g tubes)
Type 'L' bit grease (1 - 20g tube)
Type 'Q' grease (1 - 45g tube)
OR
Type 'P' grease (2 - 100g tubes)
Type 'L' bit grease (1 - 20g tube)
Type 'Q2' grease (1 - 45g tube)
Check your maintenance kit and determine if there is Type 'Q' or Type Q2" grease and follow the
instructions for the tool that you have located on pages 12 and 13.
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