TM-9-2320-365-20-4 LMTV Unit Maintenance Manual M1078 Series - Volume 4 Download
Page 110 of 968
TM 9-2320-365-20-4 16-8. CAB LEVELING VALVE AND LINKAGE REPLACEMENT/ADJUSTMENT (CONT) c. Cab Leveling Valve Adjustment. (1) Lower spare tire (TM 9-2320-365-10). (2) Start engine (TM 9-2320-365-10). NOTE Steps (3) through (5) require the aid of an assistant. (3) Loosen self-locking nut (1) on cab leveling valve (2). NOTE • Rotating cab leveling valve clockwise (to the right), as seen from right side of vehicle, decreases cab height. Rotating cab leveling valve counterclockwise (to the left), as seen from right side of vehicle, increases cab height. • Measure air spring to air spring bracket height on both air springs. • If air spring to air spring bracket height varies between sides, but is no more than 0.25 in. (0.63 cm) outside of upper or lower limit, adjust cab leveling valve so that average for both sides is 2.64-2.87 in. (6.7-7.3 cm). (4) Adjust cab leveling valve (2) until air spring (3) measures 2.64-2.87 in. (6.7-7.3 cm) from bottom edge of air spring to top surface of air spring bracket (4). (5) Tighten self-locking nut (1) to 84-108 lb-in. (9-12 N·m). d. Follow-On Maintenance. (1) Shut down engine (TM 9-2320-365-10). (2) Raise spare tire (TM 9-2320-365-10). End of Task. 16-68 Change 1