Graco 231-043 Instructions-Parts List Manual page 27
Airless paint sprayer
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Also See for 231-043:
- Instructions and parts list (48 pages) ,
- Instructions-parts list manual (36 pages) ,
- Instructions-parts list manual (36 pages)
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WARNING
To reduce the risk of serious injury, follow the Pres-
sure Relief Procedure warning on page 24 when-
ever you are instructed to relieve pressure.
NOTE: Read the GENERAL REP AIR INFORMATION
on page 24 before doing this procedure.
NOTE: The most common cause of bridge failure is
a faulty motor . Check the motor before replac-
ing the bridge to prevent damaging the new
bridge.
NOTE: Refer to Fig 27–1 for this procedure.
1. Relieve pressure.
303
G1
G2
Fig 27–1
WARNING
To reduce the risk of serious injury, follow the Pres-
sure Relief Procedure warning on page 24 when-
ever you are instructed to relieve pressure.
NOTE: Read the GENERAL REP AIR INFORMATION
on page 24 before doing this procedure.
NOTE: Refer to Fig 27–1 for this procedure.
1. Remove the pressure control cover (63).
2. Use a small screwdriver to slide the terminal adapter
off the circuit breaker terminal.
BRIDGE RECTIFIER REPLACEMENT
310
309
306
308
CIRCUIT BREAKER REPLACEMENT
2. Remove the pressure control cover (63).
3. Disconnect all wires from the bridge (308).
4. Loosen but don't remove the screw (331A). Remove
the screw (331B). Slide the bridge out.
5. Slide in the new bridge (308). Be sure the lock-
washers (333) are IN FRONT of the bridge. Tighten
the screws (331) securely.
CAUTION
The lockwashers (333) must be in front of the bridge
to avoid overheating which will result in bridge
failure. See the DETAIL in Fig 27–1.
6. Connect all wires properly and route them carefully.
BRIDGE INSTALLATION DETAIL
SLOTTED
END
3. Disconnect the single black wire (306) between the
circuit breaker (309) to the ON/OFF switch (303).
4. Use a 5/8 in. socket wrench to loosen the nut and
boot (310) on the circuit breaker button.
5. Push down on the top of the circuit breaker (309) and
pull it out of the box.
6. Install the new circuit breaker in the reverse order.
CAUTION
Do not allow the circuit breaker contacts to touch the
bourdon tube, which will cause a short. Tighten the
circuit breaker nut firmly to prevent the circuit
breaker from turning.
331A
LOOSEN THIS SCREW
BUT DO NOT REMOVE
331B
LOOSEN AND
REMOVE
308
333
332
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