Hitachi 3900 Displacement Pump, Read Injection Hazard, page 3 Burn Hazard

Displacement Pump

Displacement Pump

Removal 6. Raise latch lock. Push latch open.

1.Flush pump.

2.Stop pump with piston rod in its lowest position.

WARNING

Read Injection Hazard, page 3; Burn Hazard, page 4

3.Do Pressure Relief, page 5.

4.Separate drain hose from sprayer

FIG. 17

7. FIG. 18. Ratchet open pump door. a. Ratchet pump door forward.

FIG. 15

5.Disconnect material hose from pump.

FIG. 18

b. Twist latch u-bolt out of pump door recess. c. Place u-bolt on pump door outer edge.

d. If pump door is stuck, do steps e., f. and 8., otherwise go to step 9.

FIG. 16

FIG. 19

16 310893L