NMC-WOLLARD 140 - Page 58

NMC-WOLLARD 2021Truax Blvd., Eau Claire, WI 54703, Phone (715) 835-3151, Fax (715) 835-6625
M140 Tow Tractor Manual No. 46054
PAGE TOC-2
CHAPTER 2 MAINTENANCE
TABLE OF CONTENTS
MAY 31, 2015
1.6.2 Wheel Bearings .......................................................................................1-20
1.6.3 Transmission - C-6 ...................................................................................1-22
1.6.4 Transmission - Allison ..............................................................................1-30
1.7 SHIFT INHIBITOR ADJUSTMENT ................................................................1-40
1.8 EVERY 2500 OPERATING HOURS OR 2 YEARS .......................................1-41
1.8.1 Adjust Valves ...........................................................................................1-41
1.8.2 Inspect Injectors - Diesels ........................................................................1-41
1.8.3 Change Coolant .......................................................................................1-41
1.9 CHANGING AXLE OIL .................................................................................... 1-41
1.10 BLEEDING THE BRAKES ............................................................................1-42
1.11 BLEEDING THE POWER STEERING SYSTEM ........................................1-44
1.12 BRAKE PEDAL ADJUSTMENT ...................................................................1-44
1.13 THROTTLE PEDAL RECALIBRATION REQ. FOR CUMMINS ENG. .......1-45
2. TROUBLE SHOOTING.............................................................................................2-1
2.1 STEERING SYSTEM OVERVIEW - USED WITH AT545 TRANSMISSION . 2-1
2.2 SYSTEM PRESSURE TEST ............................................................................2-2
2.3 DIAGNOSTICS, STEERING AND BRAKES ...................................................2-3
2.3.1 Power System Test ....................................................................................2-3
2.3.2 Hydraulic Leak Test ...................................................................................2-3
2.4 BRAKE SYSTEM TROUBLE SHOOTING CHART .......................................2-5
2.4.1 Equalizer Valve ........................................................................................2-11
2.4.2 Check Valve ............................................................................................. 2-11
2.4.3 Stoplight Switch .......................................................................................2-11
2.4.4 Brake Lines And Fittings ..........................................................................2-12
2.5 ELECTRICAL AND HYDRAULIC SCHEMATICS AND DIAGRAMS ...........2-13
3. REMOVAL AND INSTALLATION .............................................................................3-1
3.1 AXLE .................................................................................................................3-1
󰀨 .............................3-1
3.1.2 Disassembly of Wheel End ........................................................................3-2
3.1.3 Cleaning and Inspection ............................................................................3-3
3.1.4 Repair ........................................................................................................3-4
3.1.5 Reassembly of Wheel End ........................................................................3-4
3.1.6 Reassembly of Drive Pinion .......................................................................3-5
󰀨 .........................................................................3-6
3.1.8 Installation of Rear Axle Without Springs...................................................3-6
3.2 DRIVE SHAFT ...................................................................................................3-7
3.2.1 Removal ..................................................................................................... 3-7
3.2.2 Installation ..................................................................................................3-7
3.3 REAR SUSPENSION .......................................................................................3-8
3.3.1 Removal ..................................................................................................... 3-8
3.3.2 Installation ..................................................................................................3-8
3.4 RADIATOR ........................................................................................................3-8
3.4.1 Removal ..................................................................................................... 3-8
3.4.2 Installation ..................................................................................................3-8
3.5 ENGINE/TRANSMISSION REMOVAL ............................................................3-9
3.6 TRANSMISSION AND TORQUE CONVERTER REMOVAL .......................3-10