CHAPTER 5
DIRECT AND GENERAL SUPPORT MAINTENANCE
Section I. GENERAL
b. Report all equipment recommendations as
5-1. Scope
a. These instructions are published for the use
prescribed by TM 38-750.
of direct and general support and depot mainte-
nance personnel m a i n t a i n i n g t h e L i n k - B e l t
Speeder Model 180M Diesel Pile Hammer. They
5-2. Record and Report Forms
provide information on the maintenance of the
For record and report forms applicable to direct
equipment, which is beyond the scope of the tools,
and general support maintenance, refer to TM
equipment, personnel, or supplies normally avail-
38-750.
able to using organizations.
Section II. DESCRIPTION AND DATA
5-3. Description
graph 1-4.
A general description of the hammer, the location
and description of the identification and instruc-
c. Dimensions and Weights. Refer to para-
tion plates, and information on the differences
graph 1-4.
in models are contained in chapter 1.
5-4. Tabulated Data
a. General. This paragraph contains all the
sired clearance, and maximum allowable wear and
overhaul data pertinent to direct and general sup-
port maintenance personnel.
clearance for the diesel pile hammer.
Table 5-1. Hammer Repair and Replacement Standards
Manufacturer's dimensions
and tolerances in inches
Desired clearance
Maximum allowable wear and clearance
Min.
Min.
Max.
Max.
11.000
11.006
11.000
11.006
Cylinder bore
11.030
When witness groove disappears
Wear rings
.030 per side
.372
.3735
6 second interval in ram closure of
Piston rings
exhaust port until contact with anvil.
.376
Groove in ram
.381
.007
Groove in anvil
.376
.381
.007
1/16 in. deep pit in flat surface
Receiver bell crank
.030 in. oversize in bore for pin
Recoil dampener
in. loss in height
Section III. REPAIR PARTS, SPECIAL TOOLS, AND EQUIPMENT
5-5. Special Tools and Equipment
are listed in appendix C. No special equipment
is required by direct or general support mainte-
The special tools required to perform direct and
nance personnel for performing maintenance on
the equipment.
general support maintenance on the pile driver
5-1
