Counterweight (8) and hoist weigh
(6486.37 kg). Use care when lifting
a. Use suitable lifting device to lift and mount
auxiliary hoist on counterweight.
b. Install four capscrews (11) and washers
b. Raise and position counterweight on
(12) and torque to 1100 ft-lbs (1465 Nm)
superstructure. Install four capscrews (9)
with a suitable torque wrench.
and washers (10).
2. INSTALL HYDRAULIC TUBES (15) AND (16)
c. Using a suitable torque wrench torque
TO HOIST (1).
capscrews to 3000 ft-lbs (4000 Nm).
4. CONNECT REMAINING HYDRAULIC LINES.
a. Connect fittings (4) and new preformed
Prior to installing new preformed
packing (5) to motor drain tube and tighten
packings, coat packings with clean
hydraulic oil. Coat pipe threads with
b. Connect fitting (6) and new preformed
packing (7) to case drain tube and tighten
a. Position hydraulic tubes (15) and (16) in
pipe clamps (19) and secure loosely to
c. Install new preformed packing (3) and
counterweight using capscrews (18) and
connect fitting (2) on steel tubes at left
side of auxiliary hoist (1).
b. Position two hydraulic tubes (15) and (16)
5. CONNECT NEGATIVE BATTERY CABLE AT
and new preformed packing (17) and
SHUNT. (REFER TO TM 5-3810-306-20.)
secure with eight capscrews (13) and
6. INSTALL WIRE ROPE TO HOIST DRUM.
(REFER TO TM 5-3810-306-20.)
c. Tighten pipe clamps (19).
7. TEST FOR PROPER OPERATION.
END OF TASK
a. Attach suitable lifting device to lifting eyes
on counterweight (8).