Service; Removing The Air Motor; Installing The Air Motor - Graco 25C536 Instructions - Parts Manual

Service

Service Service
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 service procedure, follow the
Pressure Relief Procedure, page
If the air motor requires more than installation of a
service kit, it is usually quickest and easiest to send
it to a Graco distributor for repair or replacement. A
motor rebuild kit (25M535) is available. See the motor
rebuild kit manual 3A5050 for more information.
Removing Removing the Removing the Air the Air Motor Air
To remove the air motor for service, follow these
steps,
1. Remove the screw (75) holding the guard and
then remove the guard (74).
2. Remove the four screws (26) securing the motor
to the mounting bracket (58).
3. Remove the three screws (35) securing the
motor (34) the adapter plate (22).
4. Disconnect the air regulator (38).
3A4797B
11.
Motor Motor
Installing the the Air Air Motor
Installing Installing the Air
To install the air motor, follow these steps.
1. Secure the motor (34) to the adapter plate (22)
using three screws (35) . Torque to 150–170
in-lbs (17–19 N•m).
2. Install the upper coupling half (52b) on the motor
shaft. Lightly tighten the set screw. You will
tighten it further in a later step.
3. Install the lower coupling half (52c) on the
agitator shaft (47). Do not tighten the set screw
at this time.
4. Install the motor (34) and adapter plate (22)
assembly on the top of the bracket (58) using
the four screws (26). Do not tighten the screws
securely at this time.
Service
Motor
Motor
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