CHAPTER 2
DIRECT AND GENERAL SUPPORT MAINTENANCE
INSTRUCTIONS
Section I. REPAIR PARTS, SPECIAL TOOLS AND EQUIPMENT
2-1. Special Tools and Equipment
2-2. Direct and General Support Maintenance Repair
No special tools or equipment are required by direct and
Parts
general support maintenance personnel for performing
Direct and General Support Maintenance Repair Parts
maintenance on the Model 2380 and Model 2385 Rough
are listed and illustrated in TM 5-3810-232-35P.
Terrain Crane.
2-3. Specially Designed Tools and Equipment
No specially designed tools and equipment are required.
Section II. TROUBLESHOOTING
are listed in Tables 2-1. Each malfunction stated is
2-4. General
followed by a list of probable causes of the trouble. The
This section provides information useful in diagnosing
corrective action recommended is described opposite
and correcting unsatisfactory operation or failure of the
the probable cause.
Model 2380 and Model 2385 Rough Terrain Crane or
any of its components. Malfunctions which may occur
Table 2-1. Troubleshooting Chart.
Malfunction
Probable cause
Corrective action
1. Engine Miss or Oper-
a. Valves not seating
a. Grind or replace valves (para 3-48, 4-42).
ate Erratically ,
b. Injector need adjust-
b. Adjust injectors (TM 5-3810-232-12).
ments
c. Low compression on one
c. Restore compression by reconditioning valves or re-
or more cylinders.
placing piston rings (para 3-48, 4-42).
2. Engine fail or is hard
a. Incorrect fuel pressure
a. Check and adjust fuel pressure.
to start
b. Plugged injector spray
b. Remove and clean or replace injector (TM 5-3810-232-
holes
12).
c. Broken fuel pump drive
c. Replace or repair fuel pump (para 3-17, 4-21).
shaft
d. Scored gear pump worn
d. Replace or repair fuel pump (para 3-17, 4-21).
e. Engine due for overhaul
e. Overhaul engine.
f. Incorrect valve and in-
f. Retime valves and injector (TM 5-3810-232-12).
jector timing
3. Excessive Smoke
a. Restricted air intake
a. Inspect and correct. (para 3-39).
b. Plugged injector spray
b. Remove, clean or replace injector (TM 5-3810-232-12).
holes
c. Gasket blow by or leak-
c. Inspect and correct.
age
d. Broken or worn piston
d. Overhaul engine.
rings
e. Incorrect valve and in-
e. Retime valves and injectors (TM 5-3810-232-12).
jector timing
f. Worn or scored liners
f. Overhaul engine.
or pistons
2-1
