TM-9-2320-361-24-1 Field Maintenance Manual Volume 1 for M44A2 Series Trucks
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TM 9-2320-361-24-1 0006 00 0006 00-18 MECHANICAL SYSTEMS TROUBLESHOOTING - UNIT (Contd) MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 2. STEERING WHEEL HARD TO TURN (Contd) 2. Inspect steering knuckles for binding. Raise front wheels off ground. Disconnect drag link at pitman arm (WP 0191 00 and WP 0195 00). Turn wheels to determine binding. 3. Inspect springs for looseness. 4. Check front tires for proper inflation. 5. Check for improper toe-in adjustment. If binding, replace steering knuckles (WP 0150 00). If loose, tighten U-bolts 190–230 lb-ft (258–312 N•m). Adjust tire pressure as necessary (TM 9-2320-361-10). Adjust toe-in if necessary (WP 0190 00). 3. VEHICLE WANDERS OR PULLS TO ONE SIDE 1. Check front tires for proper inflation. 2. Check front tires for uneven tire wear. If tire wear is evident, check toe-in. 3. Check for dragging brakes. Raise front wheels off ground. Spin wheels by hand. Wheels should turn with slight drag when properly adjusted. 4. Check wheel bearings for proper adjustment and damage. Raise wheel off ground. Use prybar to check for excessive play. 5. Check steering gear for loose mounting screws. 6. Inspect pitman arm, drag link, steering arm, and tie-rod ends for looseness or damage. 7. Inspect steering knuckles for binding. Raise front wheels off ground. Disconnect drag link at pitman arm (WP 0191 00 and WP 0195 00). Turn wheels to determine binding. 8. Inspect front springs and shackles for looseness. Adjust tire pressure as necessary (TM 9-2320-361-10). Adjust toe-in if necessary (WP 0190 00). If brakes require adjustment, refer to WP 0168 00. 1. Adjust wheel bearings (WP 0189 00). 2. If damaged, replace wheel bearings (WP 0187 00 or WP 0188 00). If mounting screws are loose, tighten 62–68 lb-ft (84–92 N•m). 1. Replace loose or damaged parts and reset correct toe-in (WP 0190 00, WP 0191 00, WP 0194 00, and WP 0195 00). 2. If steering arm is damaged, replace steering arm (WP 0150 00). If binding or looseness is found, replace steering knuckles (WP 0150 00). Replace worn shackles (WP 0154 00) or tighten loose spring U-bolts 190–230 lb-ft (258–312 N•m). Table 13. Steering Troubleshooting Procedures (Contd).