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b.
Weekly lubrication for the jack:
(1)
Standard, keys, and shut-off rod. Use a
light oil.
(2)
Control valve parts. Use a light oil.
c.
Monthly lubrication of the jack:
(1)
Lubricate lifting screw through hole in
standard. Use Mobil DTE Oil Light (Duff p/n
X6002).
(2)
Clean and lubricate handle latch and
throttle control parts. Use Mobil DTE Oil Light
(Duff p/n X6002).
(3)
Remove grease level plug and check
grease level. Fill with Mobilgrease XHP 461 or
equivalent.
d.
After repair or overhaul:
Drain, flush, and refill internal jack
mechanism with Mobilgrease XHP 461 or
equivalent.
e.
Clean and grease wheels regularly.
f.
Screw lubrication under heavy load use.
When operating the jack under heavy
loading, pump Mobilgrease XHP 461 grease into
the standard every few jack lifting cycles.
FIGURE 2-3. THROTTLE ADJUSTMENT FOR 528AMJ/CMJ, 536AMJ/CMJ, 126AMJ/CMJ,
132AMJ/CMJ, AND 144AMJ/CMJ
Jack is properly adjusted when parts are in position
shown in drawing at left. The head is no less than 3/16
from the top of the shell. The control lever end “F” is
against the end of the stop groove. Pin “D” is against
the end of the throttle lever. Screw “B” is in the hole
“E” in the control rod.
To make adjustments, loosen lock nuts “A” and “C” and
screw “B.” Then screw control rod in or out of end until
point “F” and pin “D” are in the position shown, with
the head no less than 3/16 from shell. Retighten screw
“B” in hole “E” and lock the nuts “A” and “C.”
SECTION III
OPERATION
3-1.
Operational Requirement
a.
Operators shall be instructed in the
proper use of the jack.
b.
The operator shall familiarize himself
with the jack, its capabilities, and its operation.
He/she should also know and understand the
mandatory requirements of American National
Standard (ANSI B30.1).
c.
The throttle lever is located on the
control valve above the air motor.
(1)
To raise a load, pull the throttle lever to
UP.
(2)
To lower a load, push the throttle lever
to DOWN.
(3)
To cease movement of a load, place the
throttle lever in the horizontal position.
(4)
The throttle lever will automatically
move to the horizontal position when the jack
has extended or lowered to its limit.
3-2.
Operating Procedures and
Precautions
The following precautions shall be
followed in operation of the jack:
a.
Visually inspect the jack before each
shift or each use, whichever is less frequent.