Hein-werner AJ-20 Instruction Manual

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MODEL AJ-20
Part Code 65499— 20 Ton (18144 Kg.) Capacity
MODEL TJ-20 — Wheeled
Part Code 65240— 20 Ton (18144 Kg.) Capacity
INSTRUCTION MANUAL
REPAIR PARTS LIST
1. THIS IS A LIFTING DEVICE ONLY. THE LOAD MUST
BE SUPPORTED IMMEDIATELY BY OTHER APPRO-
PRIATE MEANS.
2. DO NOT OVERLOAD. OVERLOADING CAN CAUSE
DAMAGE TO OR FAILURE OF THE JACK.
3. THIS JACK IS DESIGNED FOR USE ONLY ON HARD
LEVEL SURFACES CAPABLE OF SUSTAINING THE
LOAD. USE ON OTHER
THAN HARD LEVEL
SURFACES CAN RESULT IN JACK INSTABILITY
AND POSSIBLE LOSS OF LOAD.
4. CENTER LOAD ON THE SADDLE TO PREVENT
INSTABILITY AND POSSIBLE LOSS OF LOAD.
5. FAILURE TO HEED THESE WARNINGS MAY RESULT
IN LOSS OF LOAD, DAMAGE TO JACK AND/OR
FAILURE RESULTING IN PERSONAL INJURY OR
PROPERTY DAMAGE.
OWNER'S RESPONSIBILITY
Operation. The owner and/or operator shal l have an
understanding of these operating instructions and
warnings before operating the jack. Warning information
shall be emphasized and understood. If the user is not
fluent in English, the instructions and warnings shal l be
read to and discussed with the operator in the operator's
native language by the purchaser/owner, making sure
that the operator comprehends its contents.
Maintenance. The jack shal l be maintained in accor-
dance with instructions l isted under "Maintenance."
Inspection
1. Visual inspection shall be made before each use of
the jack, checking for leaking hydraulic fluid, and
damaged, loose or missing parts.
2. Each jack, if subjected to an abnormal load or shock,
shall be inspected immediately by an authorized
Hein-Werner service center.
3. Owners and/or users should be aware that repair of
this equipment may require specialized knowledge
and facilities. It is recommended that an annual in-
spection of the jack be made by an authorized Hein-
Werner service center and that any defective parts,
decals or warning labels be replaced with genuine
Hein-Werner parts. A l ist of authorized service centers
is available from Hein-Werner.
Damaged Jacks. Any jack which appears to be damaged
in any way, is found to be badly worn, or operates ab-
normally SHALL BE REMOVED FROM SERVICE until
necessary repairs are made by an authorized Hein-
Werner service center.
FEATURES
The AJ-20 and TJ-20 Air/ Hydraulic jacks are designed
for heavy-duty lifting requirements such as trucks,
busses, tractor-trailers, farm machinery, and construc-
tion equipment.
Light and compact, both jacks feature an automatic
2-Speed Air/Hydraulic Lift: high speed to reach the load
and power speed to lift the load. Automatic Overload
Protection and a built-in, replaceable air filter protect the
system from equipment damage.
ASSEMBLY
Some assembly of these jacks is required:
1. AJ-20/TJ-20 Hose Installation
a. Remove pipe plug from side of hydraulic reservoir.
b. Install male end of short hose (item #4, parts illus-
tration) into hydraulic reservoir.
c. Attach female end of short hose to male end of tee
(item #3).
d. Attach long hose with control valve and air filter
(items 88, 1, 2) to tee (item #3). Attach to air supply
using suitable coupler. Coupler is not furnished.
2. TJ-20 Only
a. Attach the two wheels using bolt, lockwasher,
spacer and nut. Tighten the nut sufficiently to
collapse the lockwasher. Avoid excessive tight-
ening which will inhibit wheel rotation.
b. Install handle grips.
INSTRUCTIONS BEFORE USE
1 . Remove filler screw and check oil level - it should be
just up to the hole. Fill if necessary with clean
Hein-Werner hydraulic jack oil. Never use brake fluid.
2 While the AJ-20/TJ-20 jacks may become "air-bound"
in transit - no bleeding of the hydraulic system is
necessary. The jacks are self-bleeding whenever a
load of 25 lbs. or more is appl ied to the ram.
3. Check air supply pressure. System must have at least
100 PSI to obtain rated capacity.
THESE JACKS ARE NOT DESIGNED
TO OPERATE ON THEIR SIDES.