Graco 258906 - Manual (Page 8)

Pump
8 3A0246C
Pump
Removal
1. Perform Pressure Relief Procedure, see page 4.
2. Remove Power Module, see page 7.
3. Disconnect material hose (79) from pump (18a).
4. Loosen two screws (40) and remove pump rod
shield (48).
5. Turn flow control knob to a very low setting and turn
prime valve handle to TOOL FILL position (JOG
mode will appear in display). Use ON/OFF switch or
turn control knob OFF to stop pump when pin is
visible.
6. Use screwdriver to press pin (7b) out of pump.
NOTE: Pin should be removed by pressing the pin
out through the bottom side of the pump. Make sure
to control the pump pin when removing so that it
does not fall into the pump module.
7. Use hammer to loosen pump retaining nut (22).
8. Unscrew and remove pump (18a) from module.
Installation
1. Extend pump piston rod 1.5 in.
2. Install pump pin (7b). Verify retaining spring is in
groove of connecting rod.
NOTE: Pin should be installed from the top side of the
pump. Make sure to control the pump pin when installing
so that it does not fall into the pump module.
ti15616a
79
18a
ti15619a
48
40
ti15620a
ti15617a
7b
ti15615a
22
ti15618a
18a
1.5 in.
ti7171a
7b
ti13093a