3
Figure 1 - Typical Truck Jack Nomenclature (23222C
shown)
Figure 1 - Model 23301 Nomenclature
Handle Position
Release
Lift Control
Valve
Handle Knob
(release valve)
Air Supply Inlet,
1/4NPT
Handle
Handle
Sleeve
Wheel
Saddle
Oil Filler Screw
(not shown)
Carrying
Handle
Handle Knob
(release valve)
Saddle
Carrying
Handle
Oil Filler
Screw
Wheel
Handle Sleeve
Handle Posi-
tion Release
Air Supply Inlet,
1/4NPT
Lift Control
Valve
Adapter, 5"
(23222C only)
Handle
Extension Screw
(23221C & 23222C)
Adapter Holder
(23221C & 23222C)
Adapter, 2-1/2"
(23221C & 23222C)
3. Activate air motor to vent air.
4. Remove set screw (reference Figure 2, #40) and use a screw driver to hold down check ball while very slowly
pumping air motor until oil exiting from screw hole is steady without bubbles.
5. Reinstall set screw approximately two turns into hole (do not fully tighten).
6. Activate air motor a few additional times to vent air, while slowly tightening set screw. Ram should start to raise
as screw is fully tightened.
7. Check oil level and reinstall filler screw (reference Figure 2, #26).
SPECIFICATIONS
Model
Capacity
Jack Size (L x W)
Min.
Height
Max.
Height
Hyd.
Range
Extension
Screw
23221C
22 Ton
22" x 12-5/8"
9-3/4"
21-3/4"
5-5/8"
3-7/8"
23222C
22 Ton
22" x 12-5/8"
8-1/2"
22"
4-5/8"
23301
30 Ton
22" x 12-5/8"
11-1/8"
18-1/4"
7-1/8"
N/A
