TM 10-4320-309-14
TM 4320-14/1
CHAPTER 5
GENERAL SUPPORT MAINTENANCE INSTRUCTIONS
5-1. INTRODUCTION
This chapter of the technical manual provides intermediate maintenance instructions for general support main-
tenance personnel. It provides the maintenance procedures to service, repair, remove, disassemble, inspect,
reassemble, install, or adjust the faulty component of the Diesel-Driven Centrifugal Pump Assembly Model
PAD - 125A. Chapter 5 is divided into two sections, Section I Troubleshooting, and Section II Maintenance Pro-
cedures.
Section I. TROUBLESHOOTING
No troubleshooting procedures are required.
Section II. MAINTENANCE PROCEDURES
INDEX
Para
General Instructions . . . . . . . . . . . . . . . . . . . . . 5-2
Replace/Inspect Balancer Shaft . . . . . . . . . . .
Adjust/Repair Fuel Injection Nozzle . . . . . . . . 5-3
Replace/Inspect Governor and Speed
Replace/Inspect/Repair Cylinder Head
Control Device . . . . . . . . . . . . . . . . . . . . . . .
and Valve Assembly . . . . . . . . . . . . . . . . . . . . 5-4
Replace/Inspect Connecting Rod . . . . . . . . .
Replace/Inspect/Repair Crankcase
Replace/Inspect Piston . . . . . . . . . . . . . . . . . .
Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5
Replace flywheel . . . . . . . . . . . . . . . . . . . . . . .
Replace/Inspect/Repair Lube Oil Pump . . . . 5-6
Replace/Inspect/Repair Crankshaft . . . . . . . .
Replace/Inspect Camshaft. . . . . . . . . . . . . . . . 5-7
Replace/Inspect/Repair Crankcase . . . . . . . .
5-2. GENERAL INSTRUCTIONS
a.
Unless otherwise stated, one person can perform the task listed.
b.
The normal standard equipment condition to start a maintenance task is engine stopped.
Para
5-8
5-9
5-10
5-11
5-12
5-13
5-14
c.
Refer to Appendix F to determine torque requirements when tightening threaded fasteners, unless a specif-
ic torque value is given in the procedure. Torque values in Appendix F are determined by thread size.
5-1
