Milwaukee 7120-21 User Manual
Page 4
Lubrication:
Type I Grease 49-08-7100
Clean all parts with a dry clean cloth.
8, 9, 10, 11, 12,
13, 14,
Place a thin coating of grease into internal bore of top cap (8), coat parts (9-14) and reassemble in order shown.
18, 17, 19
Coat o-ring (18) and piston ring (17) prior to installing into groove of driver assembly (19).
20, 21, 22, 23, 24
Coat cylinder o-ring (21), cylinder spacer (22), o-ring (23) and cylinder ring (24) prior to installing onto cylinder (20).
26, 27 28, 29, 30,
31, 32, 33, 34,
35, 36
Coat all parts of the trigger valve assembly if being replaced individually. Components cleaned in any type of solvent or
water solution will require new lubrication. Note: A new trigger valve assembly will be pre-lubricated and will not require any
additional lubrication.
50, 55, 56, 57, 59,
60, 61, 62
Place a thin coating of grease into pocket of feed piston located on nose (50). Once pocket area has been coated, coat
additional components (55, 56, 57, 59, 60, 61, and 62).