
© 2018 Pierce Manufacturing Inc. All Rights Reserved. / vii
TABLE OF CONTENTS
Chassis
6-6 AERIAL DEVICE BOOM SUPPORT .................................................................................................................. 6-7
6-7 AUTOMATIC LUBRICATION SYSTEMS ............................................................................................................. 6-7
6-7.1 RESERVOIR .................................................................................................................................... 6-7
6-7.2 INSPECTION .................................................................................................................................... 6-7
6-7.3 CONDITION OF LUBE POINTS ........................................................................................................... 6-7
6-8 FASTENERS ................................................................................................................................................. 6-7
6-8.1 INTERIOR FASTENERS ..................................................................................................................... 6-7
6-8.2 FRAME FASTENERS ........................................................................................................................ 6-8
GRADE 8 COURSE THREAD FASTENER TORQUE CHART (TABLE 6-2) ............................................... 6-8
GRADE 8 FINE THREAD FASTENER TORQUE CHART (TABLE 6-3) ..................................................... 6-8
6-8.3 BUMPER EXTENSION CARRIAGE BOLTS ........................................................................................... 6-8
6-8.4 OTHER FASTENERS ........................................................................................................................ 6-8
Axles, Brakes and Suspension
6-9 AXLES ......................................................................................................................................................... 6-9
6-9.1 FRONT AXLE – NON-DRIVING ......................................................................................................... 6-9
6-9.2 FRONT AXLE ALIGNMENT ................................................................................................................ 6-9
6-9.3 FRONT AXLE – TAK-4™ SUSPENSION ............................................................................................ 6-9
6-9.4 REAR AXLE .................................................................................................................................... 6-9
6-9.5 REAR AXLE ALIGNMENT ................................................................................................................ 6-10
6-9.6 REAR AXLE – TAK-4™ SUSPENSION ............................................................................................ 6-10
6-10 BRAKES .................................................................................................................................................... 6-10
6-10.1 BRAKES – GENERAL ..................................................................................................................... 6-10
6-10.2 BRAKES – TAK-4™ SUSPENSION ................................................................................................. 6-11
6-10.3 AIR DRYER .................................................................................................................................. 6-11
6-11 REAR SUSPENSION .................................................................................................................................... 6-11
6-12 SPRING SUSPENSION (FRONT AND REAR) .................................................................................................. 6-11
6-12.1 SPRINGS ...................................................................................................................................... 6-11
U-BOLT FASTENER TORQUE CHART (TABLE 6-4) .......................................................................... 6-12
6-12.2 SUSPENSION SHACKLES ............................................................................................................... 6-12
CLAMP BOLT TORQUE CHART (TABLE 6-5) .................................................................................... 6-12
6-12.3 SPRING PINS ................................................................................................................................ 6-12
6-13 TAK-4™ SUSPENSION .............................................................................................................................. 6-13
6-13.1 FRONT TAK-4™ SUSPENSION ...................................................................................................... 6-13
6-13.2 REAR TAK-4™ SUSPENSION ........................................................................................................ 6-13
Electrical
6-14 COMMAND ZONE™ SYSTEM ....................................................................................................................... 6-14
6-14.1 OVERVIEW ................................................................................................................................... 6-14
6-14.2 MULTIPLEX SYSTEM PRINCIPALS OF OPERATION ........................................................................... 6-15
6-14.3 TROUBLESHOOTING TIPS .............................................................................................................. 6-15
6-15 ELECTRICAL, DC ....................................................................................................................................... 6-17
6-15.1 ALTERNATOR ............................................................................................................................... 6-17