LUBRICATION
1. A 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.
2. Periodically check the pump pistion and
ran for sings of rust or corrosion.Clean as
needed and wipe with an oily cloth.
NEVER USE SANDPAPER OR ABRASIVE
MATERIAL ON THESE SURFACES!
3. When not in use, store the jack with pump
piston and ram fully retracted.
TROUBLESHOOTING
Symptom Possible
Causes
Corrective
Action
Jack will not lift load
Release valve not tightly closed
Overload conditon
Air supply inadequate
Ensure release valve tightly closed
Remedy overload condition
Ensure adequate air supply
Jack bleeds off after lift
Release valve not tightly closed
Overload conditon
Hydraulic unit malfunction
Ensure release valve tightly closed
Remedy overload condition
Contact seller
Jack will not lower after unloading
Reservoir overfilled
Linkages binding
Drain fluid to proper level
Clean and lubricate moving parts
Poor lift 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,
reinstall oil filler plug.
Will not lift to full extension
Fluid level low
Ensure proper fluid level
AIR MOTOR
NO. PARTS
NAME
QTY
1-1 Tube
connector
1
1-2
“O” ring 10x1.8
2
1-3 Removable
base
1
1-4 Split
washer
1
2 Hex-socket
screw
3
3 Cover
1
4
Washer
2
5
Air pump body
1
6 Spring
washer
3
7 Seal
2
8
“O” ring 63.5x3.55
2
9 Square
ring
1
10 Piston
1
11 Nut
M5
1
12 Block
1
13 plunger
1
14 spring
1
15 Nut
1
16 Packing
guide
1
17
NL retainer
1
18 “Y”
seal
1
19 Cover
1
20 Adjusting
nut
1
21 Plunger
cover
1
