Pump Power Head Replacement - Graco 16U287 Repair Manual

Pump Power Head Replacement

Removal
1. Relieve pressure, page 5.
2. Remove hydraulic lines (100, 101) from head (75).
100
3. Loosen four mounting bolts (7) on the adapter
enough to lift and remove assembly.
4. Remove power head from unit.
311283J
101
75
ti7803
7
ti7841
ti7847
Installation
1. Install power head on unit.
2. Tighten power head bolts (7). Torque bolts to 400 +
10 in-lb (45 + 1 N•m).
3. Attach hoses (100, 101) to head (75). Torque to 450
+ 10 in-lb (50.84 N•m).
100
4. To purge air from hydraulic lines, increase pressure
enough to start hydraulic motor stroking and allow
fluid to circulate for 15 seconds.Turn pressure
down. Turn prime valve horizontal (closed).
Pump Power Head Replacement
ti7851
ti7853
101
75
ti7777
13