SECTION 6 | TROUBLE SHOOTING FLOWCHARTS
6.4 | ELEVATE CIRCUIT
Does machine raise/
lower?
Does pump operate?
Check for power connection. See Hy-Brid
Troubleshooting
Replace pump assembly
No
Ascent speed slow or
erratic?
Is emergency down
valve open?
Close emergency down
valve
Is hydraulic fluid l
With platform lower
pump reservoir to 1"
top of reservo
Yes
No
Is battery fully charged?
Is emergency down
valve open?
Are any structural
members bent?
Contact manufacturer to
arrange replacement.
Is
Rep
Charge battery.
Close emergency down
valve.
Yes, but
not properly
Is power solenoid
damaged?
Replace solenoid.
Are diodes functioning
properly?
Measure resistance across diode—Ohm meter/multi-meter at 40 k
Ω
se
side and red on other side, should get a resistance reading. Sw
Replace bad diode.
Start elevating,
then stops?
Are pothole
guards blocked
Remove
obstruction.
Is pothole limit
switch operating?
Check con
or replac
switc
Summary of Contents for HB-1030
Page 1: ......
Page 2: ......
Page 16: ...S E CTION4 TE CHNICALR E FE R E NCE S 4 1 HYDRAULIC SCHEMATIC ...
Page 18: ...S E CTION4 TE CHNICALR E FE R E NCE S 4 2 ELECTRICAL SCHEMATIC ...
Page 20: ...S E CTION4 TE CHNICALR E FE R E NCE S 4 3 LED DRIVE BOARD DIAGNOSTICS BLUECONTROLLER ...
Page 22: ...S E CTION5 W IR INGDIAGR AMS 5 1 WIRING DIAGRAM Part No WD HB2 ...
Page 24: ...S E CTION5 W IR INGDIAGR AMS 5 2 LOWER CONTROLSWIRING DIAGRAM Part No SUB A8 002 ...
Page 28: ...S E CTION5 W IR INGDIAGR AMS 5 4 MAIN POWER SAFETY CIRCUIT Part No SUB A9 002 ...
Page 30: ...S E CTION5 W IR INGDIAGR AMS 5 5 DRIVECIRCUIT Part No SUB A9 002 ...
Page 32: ...S E CTION5 W IR INGDIAGR AMS 5 6 ELEVATE LOWER CIRCUIT Part No SUB A9 002 ...
Page 34: ...S E CTION5 W IR INGDIAGR AMS 5 7 STEER CIRCUIT Part No SUB A8 002 ...
Page 52: ...S E CTION7 P AR TSDIAGR AMS 7 6 COVERS 6 7 4 5 1 8 9 2 3 ...
Page 54: ...S E CTION8 W AR R ANTY ...
Page 56: ...S E CTION9 INS PE CTIONANDR E P AIRLOG Date Comments ...
