Graco 16N656 Paint Sprayer User Manual


 
Repair
32 3A2308C
Pump Rebuild Kit
Removal
1. Remove pump module from drive module. See
Pump Module/Drive Module, page 31.
2. Remove outlet valve from pump module and set
aside. See Outlet Valve, page 29.
3. Remove inlet valve from pump module and set
aside. See Inlet Valve, page 7.
4. Remove accumulator (16), front valve (18), and
prime valve (17) from pump module and set aside.
5. Remove four bolts (21) from pump module.
6. Separate pump portions as shown below.
7. Inspect wobble drive assembly. If bearing race is
visible as shown below, replace wobble drive
assembly.
Installation
1. Hold rebuild kit (15) and insert wobble drive into pis-
ton pocket and connect together.
2. Install four bolts (21). Torque to 60 in-lb (6.7 N•m).
3. Install accumulator (16). Torque to 140 in-lb
(15.8 N•m). Apply thread sealant to prime valve (17)
and install. Torque to 140 in-lb (15.8 N•m). Install
front valve (18) fully tighten.
4. Install inlet valve to pump module. See Inlet Valve,
page 7.
5. Install outlet valve to pump module. See Outlet
Valve, page 29.
6. Install pump module to drive module. See Pump
Module/Drive Module, page 31.
ti19645a
16
17
18
ti19646a
21
ti19647a
ti19863a
ti19642a
15
ti19643a
21
ti19644a
16
17
18