Graco PT2500 Instructions-Parts List Manual page 20

14. Lubricate the screws (25) and then install and torque
them to 170–200 in-lb (19–23 N.m ).
CAUTION
Whenever you remove the paint pump screws,
torque them as instructed above, and then retorque
them after 3 to 5 hours of operation.
Torque to 125–150 in-lb (14–17 N.m).
Apply sealant to the threads.
Lubricate the internal threads.
Torque to 125–150 in-lb (14–17 N.m).
Torque to 280–300 in-lb (32–34 N.m).
Lubricate the threads.
Torque to 320–360 in-lb (36–41 N.m).
Torque to 170–200 in-lb (19–23 N.m).
Do not alter the position of the nut.
The start switch is located
in the switch box.
66
35
Fig. 15
Service
38
37
36
3
67
20
28a
28
28b
28e
28c
28f
28d
15. Check the hydraulic oil level and add Graco-ap-
proved oil as necessary until the level is 1 inch (25
mm) from the top of the plate. See Fig. 11.
16. Turn the pressure control fully counterclockwise
(no pressure). Plug in the sprayer and turn it on. Run
the sprayer for two minutes to fill the hydraulic sys-
tem. Increase the pressure to maximum and turn the
sprayer on and off four times to help rid the hydraulic
system of air.
4
4a
26a
26
18a
C
21
22a
22b
24
25
27