Repair; Shroud Removal; Pump Removal - Graco Reactor A-20 Repair Parts

Repair

Repair
Unless otherwise noted, all repair procedures must be
completed with incoming power switched OFF and
locked out at the source. Any electrical repair or trou-
bleshooting required beyond the scope of this manual
must be performed by a qualified electrician. Shut off
air inlet ball valve and shut off all air supply pressure.

Shroud Removal

C
Rear Upper Half
1. Remove two screws (A) on sides of shroud.
2. Lift shroud up over three pins holding it in place at
top of Reactor.
3. Lift shroud completely off and remove from Reactor.
Rear Lower Half
1. Remove two screws (B) from lower half of shroud.
2. Pull lower half of shroud up and off to remove from
Reactor.
Lower Front Cover
1. Remove two bolts (C) at bottom of front cover.
2. Pull cover down and out to remove from Reactor.
12
A
B
ti8453a
Air Motor Cover
K
E
D
1. Pull out and remove pin (D) holding two shroud
halves together.
2. Remove two screws (E) on each side of shroud.
3. Remove fan wires if required.

Pump Removal

Air motor shaft, yoke, pump rod and connecting rod
move during operation. Moving parts can cause seri-
ous injury such as pinching or amputation. Keep hands
and fingers away from connecting rod during operation.
See manual 311391 for pump repair instructions.
1. Shut off Primary Heater Switch and Hose Heater
Switch.
2. Perform Pressure Relief Procedure; see page 7.
3. Perform Flushing Procedure; see page 7.
4. Turn Main Disconnect Switch OFF (H) and discon-
nect power supply.
J
ti8455a
H
311512A