Power Supply Removal And Replacement - Graco PRO 5500wb Instructions-Parts List Manual

Power Supply Removal and Replacement

NOTES:
D To avoid a loss in electrostatic performance, inspect
the gun body power supply cavity for dirt or mois-
ture. Clean the cavity with a clean, dry rag.
D Do not expose the seal (D) or gasket (27a) to
solvents as it will damage the parts.
1. Prepare the gun for service as instructed on
page 35.
2. Remove the barrel as instructed on page 41.
3. Grasp the power supply (27) with your hand. With
a gentle side-to-side motion, being careful not to
damage the power supply, pull the power supply
free from the gun body (29), then pull it straight
out. See Fig. 38.


Apply a very light coat of lubricant to the o-ring (25a).

Do not expose the seal (D) or gasket (27a) to solvents.
26
Fig. 38
42 308496
Service
4. Inspect the power supply for any physical damage.
Check the electrical resistance as instructed in
Test Power Supply Resistance, page 34. If
necessary, replace the power supply.
5. Before installing the power supply, inspect the seal
(D) for any damage or swelling. Replace the seal if
necessary. Make sure the gaskets and pads
(27a–27f) are in place.
6. Lubricate the o-ring (25a), and install the power
supply (27) in the gun body (29).
7. Install the barrel on the gun body as instructed on
page 44.
27
27e
27b

27a
27c

D
30
V


25a
25b
25
29
04320B