Maintenance; Greasing The Air Motor; Air Motor Muffler; Cleaning The Shaft - Graco 25C539 Instructions - Parts Manual

Maintenance

Maintenance
Maintenance Maintenance
Moving parts, such as an impeller blade, can cut
or amputate fingers. To reduce the risk of serious
injury, always shut off the agitator and disconnect
the air line before checking or repairing the agitator.
Before performing any maintenance procedure,
follow the Pressure Relief Procedure, page
Greasing the the Air Air Motor
Greasing Greasing the Air
After every 20 million revolutions or every three
to four months (whichever comes first), grease
the motor needle bearing. Recommended grease:
MOBILGREASE XHP 222 SPECIAL or equivalent
with minimum flash point temperature of 399.2° F
(204° C).
1. Follow the Pressure Relief Procedure, page
2. Remove the motor top cover (103).
3. Using a manual grease gun, push grease into
the 21RC fitting (102) until grease is seen below
the top washer (109a).
14
13.
Motor
Motor
Air Air Motor Air Motor Muffler Motor Muffler Muffler
Depending on the environment of the motor,
periodically check the cleanliness of the air motor
muffler. Dirty or clogged air mufflers result in
decreased motor efficiency and may cause the motor
to run irregularly. If the muffler is dirty or clogged,
replace it with a new muffler.
Cleaning the the Shaft
Cleaning Cleaning the
Each week, clean any dried fluid from around the
bearing (66) area of the shaft (47) and inspect the
bearing for cracking or excessive wear.
13.
Shaft
Shaft
3A4797F