TM-9-2330-335-14-P

SEMITRAILER, TACTICAL, BREAKBULK/CONTAINER TRANSPORTER, 22-1/2 TON, RESET M871R, M871A1R AND M871A2R

TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE MANUAL (INCLUDES REPAIR PARTS AND SPECIAL TOOLS LIST)

SEPTEMBER 2008

TM-9-2330-335-14-P - Page 539 of 640

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TM 9-2330-335-14&P

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TROUBLESHOOTING - CONTINUED

5.

Upper housing or retracting tube may be bent.

6.

Landing gear jackshafts and/or shift shaft may be binding.

7.

Retracting screw may be bent. Replace entire retracting leg assembly.

General

00094

NOTE

Replace the entire leg if these defects are found.

1.

Right-hand leg (gearbox leg) operates but left-hand leg does not move

. Broken cross driveshaft bolt or damaged

cross driveshaft. Replace.

2.

Legs will not operate when turning jackshaft

. Damaged pinion or bevel gear.

3.

Right-hand leg will not operate; shift shaft will turn but jackshaft does not turn

. Damaged input, idler, and/or output gear.

4.

Leg locked and will not turn

. Bent retracting screw or damaged riser nut and screw. Replace entire retracting leg assembly.

5.

Right-hand leg will not stay fully shifted in low gear.

Shift lock ball and shift lock spring missing or damaged shift

lock spring.

6.

Noisy gearbox

. Check that shift shaft movement is 1 in. (2.54 cm) when shifted between gears.

ALIGNMENT

00094

Using a square, check that both landing gear legs are square with the semitrailer and parallel with each other as shown. Bent or

damaged legs are an indication of possible damage to the lift screw, lift nut, or other internal components and should be

replaced.

Figure 3.

Correct Alignment.

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END OF WORK PACKAGE

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