Power Supply Cord Replacement; On/Off Switch Replacement - Graco A Series Instructions-Parts List Manual

120 v ac, 15 amp 3000 psi (210 bar) maximum working pressure

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Instructions - parts manual (52 pages)

Instructions-parts list manual (48 pages)

Manual (36 pages)

Table Of Contents

Table of Contents

WARNING

Before doing this procedure, follow the

Relief Procedure W arning on page 24 to reduce

the risk of a fluid injection injury , splashing in the

eyes or on the skin, injury from moving parts, or

electric shock. Unplug the sprayer!

Refer to Fig 26–1.

1. Remove the pressure control cover and screws.

2. Disconnect the power supply cord lead from the ON/

OFF switch (303), the white wire going to the bridge

(308), and the green wire to the grounding screw

(343) and lockwasher (327).

3. Loosen the strain relief bushing (328). Remove the

power supply cord (311).

4. Install the new cord (311) in the reverse order of dis-

assembly.

5. Reinstall the cover and screws.

WARNING

Before doing this procedure, follow the

Relief Procedure W arning on page 24 to reduce

the risk of a fluid injection injury , splashing in the

eyes or on the skin, injury from moving parts, or

electric shock. Unplug the sprayer!

Refer to Fig 26–2 except where noted.

1. Remove the pressure control cover and screws.

2. Use a needle nose pliers to disconnect the upper ter-

minal wire from the microswitch (302) for ease in re-

moving the ON/OFF switch (303). See Fig 26–1.

3. Use pliers to disconnect the two black wires from the

ON/OFF switch (303). Refer to Fig 26–1.

4. Use a 5/8" socket wrench to loosen and remove the

nut and rubber boot (304) from the top of the pres-

sure control. Remove the switch guard (305).

5. Remove the ON/OFF switch.

6. Install the new switch so the internal tab of the anti–

rotation ring (W) engages with the vertical groove in

the threads of the switch, and the external tab en-

gages with the blind hole (D) of the pressure control.

7. Install the switch guard (305), aligning the internal

tab with the groove in the threads.

307–958