Install - TM-5-5420-279-230469

TM 5-5420-279-23

(3)

If the carriage restraint (1) is in the closed position rotate the carriage latch (8) upwards

until the hooked end is clear of the latch pin (13).

(4)

Slide the carriage latch (8) off the stub shaft (15).

(5)

Remove the spacer (10) from the stub shaft (15).

(6)

Remove and discard the split dowel tension pin (14) that locks the latch pin (13) to the rear

carriage.

(7)

Remove the latch pin (13).

(8)

Remove the carriage restraint arms (2) and (3).

(9)

Replace the carriage restraint with a new item.

(10)

If required the carriage restraint arms (2) and (3) can be separated by removing the split

dowel pins (6), washers (5), wear washer (7) and hinge pin (4).

(11)

Examine the latch pin (13) for wear and distortion.

(12)

Examine the latch pin housing in the rear carriage for wear and distortion; report any

excessive wear or distortion to the engineering supervisor.

(13)

Examine the stub shaft (15) for wear and distortion.

(14)

To replace the stub shaft (15) unscrew the six capscrews (16) and the lock washers (17),

remove the stub shaft (15). Discard the lock washers (17). Fit the replacement item; fit the

six lock washers (17) and capscrews (16) then tighten using thread locking compound on

the screw threads.

(15)

Examine the spacer (10) for wear.

(16)

Check the bush (9) in the carriage latch (8) for wear.

(17)

Examine all components for damage, corrosion and wear, replace as necessary.

Install

(1)

Slide the latch pin (13) through the carriage restraint arm (2) and insert the latch pin (13)

into the latch pin housing on the rear carriage.

(2)

Ensure that the hole in the latch pin (13) is lined up with the access hole in the latch pin

housing then fit a new split dowel tension pin (14).

(3)

Slide carriage restraint arm (3) onto the stub shaft (15).

(4)

Fit the spacer (10) onto the stub shaft (15).

(5)

Fit the rear carriage restraint latch (8) onto the stub shaft (15)

(6)

If the carriage restraint is in the closed position lower the hooked end of the carriage latch

(8) onto the latch pin (13).

(7)

Fit the plain washer (11) and nyloc nut (12) and tighten.

(8)

Check the operation of the carriage latch to ensure smooth operation, over-tightening will

prevent this.

(9)

Check the operation of the carriage restraint.

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