Graco 258907 Water Pump User Manual


 
Inline Valve
3A0246C 27
Inline Valve
Changing the Needle
Removal
NOTE: Needle (404b), housing/seat (404c), and o-ring
(404a) must be replaced together. They are included in
repair kit 24F263.
1. Perform Pressure Relief Procedure, see page 4.
2. Squeeze trigger while unscrewing housing/seat
(404c) and o-ring (404a).
3. Remove trigger stop (420) with hex wrench.
4. Remove locknut (414) and bracket (413).
5. Tap rear of inline valve with a plastic mallet and
punch to push needle assembly (404b) out through
front of housing (401).
Installation
1. Guide threaded end of needle assembly (404b) into
front of housing (401).
2. Install bracket (413) and locknut (414) loosely on
threaded end of needle (404b). Squeeze trigger to
pull needle assembly into housing (401).
3. Squeeze trigger while installing o-ring (404a) and
housing/seat (404c). Torque housing/seat to 26-32
ft-lb (35-43 N•m).
4. Adjust needle before using inline valve.
404c
404a
404b
ti15626a
ti15810a
420
ti15862a
413
414
ti15811a
401
404b
ti15809a
401
404b
ti15804a
414
413
ti15806a
404c
404a
404b
ti15626a
t15805Xa