6
REPLACEMENT PARTS
Not all components of the wheel dolly are replacement items, but are illustrated as a convenient reference of location
and position in the assembly sequence. When ordering parts, give Model number, parts number and parts description.
Call or write for current pricing: Hein-Werner Customer Support, 10939 N. Pomona Ave. Kansas City, MO 64153
E-mail: [email protected] Phone:(816) 891-6390
Figure 4 - Parts Illustration for Wheel Dolly HW93766 - Hydraulic Unit
2
1
3
Item
Part Number
Description
Qty
1
F36100-0001
Oil Filler Plug
1
2
B20207-0002
Handle Assembly
1
3
B80200-0001
Release Valve Assembly
1
-
B20407-0001
Repair Kit
(includes all soft
seals, oil filler plug & release
valve assembly)
-
TROUBLESHOOTING
Symptom
Possible Causes
Corrective Action
Hydraulic unit will not lift load
• Release valve not tightly closed
• Ensure release valve tightly closed
Hydraulic unit *bleeds off after
lifting
• Release valve not tightly closed
• Hydraulic unit malfunction
• Ensure release valve tightly closed
• Contact Hein-Werner Tech. Service
Hydraulic unit will not lower after
unloading
• Reservoir overfilled
• Linkages binding
• Drain fluid to proper level
• Clean and lubricate moving parts
Poor performance
• Fluid level low
• Air trapped in system
• Ensure proper fluid level
• With ram fully retracted, remove oil
filler plug to let pressurized air escape,
then reinstall oil filler plug
Will not lift to full extension
• Fluid level low
• Ensure proper fluid level
(*) "bleeds off" refers to an unexpected loss of load height due to a loss of hydraulic pressure
