Install - TM-5-5420-279-230891

TM 5-5420-279-23

(11)

Note the orientation of and remove the transmission (8), place on a suitable working

surface.

(12)

Remove the two bolts (12) and lock washers (11) securing the retaining plate (10) to the

shaft of the transmission.

(13)

Remove the retaining plate (10) and the gear (9).

(14)

Check all threaded components for wear and damage.

(15)

Check that the mating faces of the motor, brake assembly and transmission are clean.

(16)

Check that the gear (9) is not damaged or worn.

Install

(1)

Fit the gear (9) to the transmission (8).

(2)

Fit the retaining plate (10) to the gear (9) and secure in place with the two lock washers

(11) and bolts (12).

(3)

Fit the transmission (8) to the crane column in the position noted during removal.

(4)

Apply thread locking compound to the twelve bolts (7).

(5)

Secure the transmission (8) to the crane column with the twelve bolts (7). Torque to 130

lb/ft.

(6)

Fit the brake assembly (5) to the transmission (8) in the position noted during removal.

(7)

Apply thread locking compound to the eight bolts (6).

(8)

Secure the brake assembly (5) to the transmission (8) with the eight bolts (6).

(9)

Fit the hydraulic pipes to the rear of the brake assembly (5) in the positions noted during

removal.

(10)

Coat the o-ring (4) with clean hydraulic oil.

(11)

Fit the o-ring to the motor (1).

(12)

Fit the motor (1) to the brake assembly (5), ensure that the o-ring is seated correctly and

secure in place with the four washers (3) and bolts (2).

(13)

Fit the hydraulic hoses to the motor (1) and break assembly (5) in the positions noted

during removal.

(14)

Fill the brake assembly with oil. See. See operator's maintenance TM 5-5420-279-10.

Follow on tasks

(1)

Operate the crane in accordance with the operator's manual TM 5-5420-279-10.

(2)

Check for hydraulic oil leaks and for oil leaks at the brake assembly.

6-147