Instructions / Assembly

5
Changing Fluid
NOTICE: For best performance and longest life, completely replace hydraulic uid at least once a year.
1. Lower saddle fully.
2. Remove air vent screw.
3. Lay jack on its side and drain uid into a suitable container.
NOTICE: Dispose of hydraulic uid in accordance with local environmental regulations.
4. Fill with oil until ~3/16" above the inner cylinder as seen from air vent screw hole.
5. Reinstall air vent screw.
Lubrication
A periodic coating of light lubricating oil to pivot points, axles and hinges will help to prevent rust and assure that wheels,
casters and pump assemblies move freely.
Cleaning
Periodically check pump piston and ram for signs of rust or corrosion. Clean as needed and wipe with an oily cloth
.
NOTICE: Never use sandpaper or abrasive material on these surfaces.
Storage
Lower the saddle to its lowest position when not in use.
REPLACEMENT PARTS (ref. pages 6 & 7)
Not all components of the jack are replacement items, but are illustrated as a convenient reference of location and
position in the assembly sequence. When ordering parts, give model number, part number and parts description.
Call or write for current pricing: Hein-Werner Customer Support, 10939 N. Pomona Ave. Kansas City, MO 64153.
Phone: (816)891-6390; E-mail: customerservices@heinwerner-automotive.com
TROUBLESHOOTING
Symptom Possible Causes Corrective Action
Jack will not lift load
• Release valve not tightly closed
• Overload condition
• Ensure release valve tightly closed
• Remedy overload condition
Jack bleeds off after lift • Hydraulic unit malfunction • Discontinue use, contact Hein-
Werner Technical Service
Jack will not lower after unloading • Reservoir overlled
• Linkages binding
• Fluid level low
• Drain uid to proper level
• Clean and lubricate moving parts
• Ensure proper uid level
Will not lift to full extension • Fluid level low • Ensure proper uid level