Graco XP70 Instructions

Repair
3A0420V 39
Remove Motor
1. Stop the pumps near the bottom of their stroke. Fol-
low Shutdown, page 33.
2. Disconnect the air line from the air motor (103).
3. Remove the air motor rod cover (121) and pump
guards (122).
4. Use a wrench to hold the tie rod (102) flats to keep
the rods from turning. Unscrew the nuts (108) and
washers (107) from the tie rods.
5. Place a wrench on adapter rod (104). Use tool (70)
to loosen the serrated yoke nut (109) that holds the
air motor (103) above the yoke (111).
6. Face the front of the machine and slide the air motor
(103) to the opening in the yoke (111).
7. Use a hoist to remove the air motor by the lift ring.
8. Refer to the air motor manual to service or repair the
air motor.
9. Follow the steps in reverse order to reinstall the air
motor.
NOTE: Position air motor for correct mix ratio. See
Motor Position on page 22 for instructions. Torque
nuts (108) to 50-60 ft-lb (68-81 N•m).
Air Controls
For XP systems only. See FIG. 12 on page 40.
Replace Air Control Assembly
1. Close the main air shutoff valve on the air supply
line and on the system. Depressurize the air line.
2. Disconnect the air motor air lines and system air
line.
3. Remove the nut (8) and washer (5). Remove the
bottom air control manifold assembly from the cart.
4. Loosen the upper air control assembly from the air
motor.
5. Follow the steps in reverse order to reinstall the new
air control assembly.
Replace Air Filter Element
1. Close the main air shutoff valve on the air supply
line and on the system. Depressurize the air line.
2. Unscrew the serrated ring on filter bowl (210).
3. Remove and replace the filter element (210a). See
Air Controls, 258983, page 58.
Replace System Air Regulator
1. Close the main air shutoff valve on the air supply
line and on the system.
2. Disconnect air motor air lines and system air line.
3. Remove the regulator assembly (201) and replace
with new regulator. See Air Controls, 258983,
page 58.
4. Follow the steps in reverse order to reassemble.
103
121
122
r_258914_3a0420a_7a
Air Motor shown
lift ring
102
108
107
109
111
r_258914_3a0420a_8a
104
Air Motor shown

Graco XP70 Specifications

General

Fluid Output	2.0 gpm (7.6 lpm)
Fluid Delivery	2.0 gpm (7.6 lpm)
Maximum Fluid Working Pressure	7250 psi (500 bar)
Maximum Air Input Pressure	100 psi (7 bar)
Fluid Outlet Size	3/8 in npsm(m)
Wetted Parts	Stainless Steel, PTFE, UHMWPE
Maximum Pressure	7250 psi (500 bar, 50 MPa)
Hose Length	50 ft