Binks QS-5012-1 Service Manual página 10

EN
CONDITION
Air motor sluggish or inefficient.
AIR MOTOR REBUILD
(SEE EXPLODED VIEW OF 31-418-1 ON PAGE 4.)
Do not pry dead end plate (21) or drive end plate (27) from
air motor body (23) with a screwdriver. This will dent the
surface of the body and plates and causing leaks. A puller tool
should be used to remove the plate from the motor body
while maintaining the positions of the shaft.
Always install new gaskets (22) when re-assembling air motor.
Assemble the end plates to the body using an arbor press with
a pusher acting on both races of the bearing while rigidly
supporting the opposite (drive) end of the shaft.
GEAR-MOTOR
(SEE EXPLODED VIEW OF 31-391-1 ON PAGE 4.)
When assembling the air motor to the gearbox, apply grease
to the O.D. of the air motor shaft and the I.D. of the gearbox
shaft. Recommended grease: 41-4458-K.
AIR MOTOR DRIVE SERVICE CHECKS
CAUSE
Air motor needs lubrication or cleaning.
Motor vanes need replacing or
contaminants present in motor chamber.
Air motor bearing (18 or 28) worn.
10 / 12
CORRECTION
Lubricate (see "Air Motor Lubrication"
section). Disassemble and clean per parts
replacement instructions.
Disassemble, clean motor per parts
replacement instructions. Replace worn
vanes.
Replace bearings per parts replacement
instructions.
77-2990-R3.1 (1/2017)