SECTION 22: HEATING AND AIR CONDITIONING
6
PA1621 Maintenance Manual All Series | Section Revised November 2017
1.2 HIGH/LOW PRESSURE SERVICE AND RECEIVER TANK VALVES
1-HIGH PRESSURE SERVICE VALVE
2-LOW PRESSURE SERVICE VALVE
3-RECEIVER TANK VALVE
SERVICE AND RECEIVER TANK VALVE
No DESCRIPTION TORQUE
1 High pressure service valve (both positions) 43 lb-ft (58 Nm)
2 Low pressure service valve (both positions) 21 lb-ft (28 Nm)
3 Receiver tank valve (both positions) 21 lb-ft (28 Nm)
1.3 IDLERS & TENSIONERS
22381
22382_1
IDLERS & TENSIONERS
No DESCRIPTION TORQUE
1 Central A/C tensioner lock bolt 43 lb-ft (58 Nm)
2
Central A/C tensioner idler shaft bolt (M12 shoulder bolt) 31.5-38.5 lb-ft (43-52 Nm)
Central A/C tensioner idler shaft bolt (M12 x 1.75 std bolt) 59 lb-ft (80 Nm)
3 Idler support bolt 21 lb-ft (28 Nm)
4 Idler support bolts 43 lb-ft (58 Nm)
5 Small A/C idler shaft bolt 135-165 lb-ft (183-224 Nm)
6 Small A/C / alternator transfer pulley shaft nut 135-165 lb-ft (183-224 Nm)
7 Air spring connection fitting nut 15-20 lb-ft (20-27 Nm)
8 Air spring mounting screw 15-20 lb-ft (20-27 Nm)
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