Multiquip PS403020, PS403030, PS403016, PS403026 operation manual Raise-Lower System Troubleshooting

MQ PS4030 SAW — MAINTENANCE

2

8

4

5

7 3

6

1

1.Pump Motor

2.Lift Pump Reservoir

3.Raise-LowerValve (Solenoid)

4.Raise-Lower Toggle

5.Raise-Lower Wire Harness

6.Lift Cylinder

7.Lift Pump Solenoid

Figure 62. Raise-Lower System

Raise-Lower System Troubleshooting

Refer to the following table to assist in troubleshooting the Raise-

Lower System.

Table 10. Raise-Lower System Troubleshooting

Indication	Possible Causes
Won't Raise	battery discharged, raise-lower solenoid faulty, cables
	loose or damaged, defective wiring
Won't Lower	switch bad, faulty wiring connection, coil bad, valve
	cartridge bad

PAGE 52 — MQ PS4030 SAW • OPERATION MANUAL — REV. #0 (02/29/08)