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Figure 4-18. Pulley and muffler guard, removal and installation.
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TM-5-4320-242-14 Pump Assembly Flammable Liquid; Bulk Transfer; Gasoline Engine Driven; 350-GPM Capacity at 190 Foot Head; Wheel Mounted Manual
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Figure 5-1. Suction manifold and strainer body assembly
CHAPTER 5
DIRECT SUPPORT AND GENERAL
SUPPORT MAINTENANCE INSTRUCTIONS
Section I. REPAIR PARTS, SPECIAL TOOLS, AND EQUIPMENT
the pump assembly.  Repair parts and special tools
5-1. Special Tools and Equipment
required for direct and general support maintenance of
No special tools and equipment are required to perform
this equipment will be found in TM 5-4320-242-24P and
direct and general support maintenance on
TM 5-2805-259-24P.
Section II. TROUBLESHOOTING
5-2. General
malfunction can be isolated and corrective actions
This section describes malfunction which might occur
taken.
Refer to TM 5-2805-259-14 for engine
during operation of the pump assembly along with the
troubleshooting instructions.
tests or inspections to be performed so that the
Table 5-1. Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. PUMP FAILS TO DISCHARGE, CAPACITY DECREASES OR PRESSURE DROPS.
Check to am if engine lacks power.
If engine lacks power refer to TM 5-2805-259-14.
Check to see if gate valves are defective.
Repair or replace gate valve (para 6-5).
Check to see if suction manifold gaskets are defective.
Replace gaskets (para 5-4).
Check to see if suction manifold assembly hardware is loose.
Tighten suction manifold assembly hardware (para 5-4).
Inspect to see if suction strainer cover is loose or defective.
Tighten or replace suction strainer cap clamp. (para 5-4).
Check for damaged or broken impeller.
Replace impeller (para 6-3).
Inspect volute housing for a damaged or cracked condition.
Replace volute housing (para 6-4).
Inspect seal assembly for a defective condition.
Replace seal assembly.
Check intermediate housing for a cracked or defective condition.
Replace intermediate housing (para 6-3).
Inspect for loose suction hose connection.
Tighten hose connections.
2. PUMP VIBRATES OR DEVELOPS EXCESSIVE NOISE.
Inspect impeller for a damaged or broken condition.
Replace impeller (para 6-3).
Inspect for defective impeller shaft bearing.
Replace bearing (para 6-)1.
Section III. REMOVAL AND INSTALLATION OF MAJOR COMPONENTS AND ASSEMBLIES
5-3. Suction Manifold and Strainer Body Assembly
suction manifold and strainer body assembly.
a. Removal. Refer to figure 5-1 and remove the
b. Installation. Refer to figure 5-1 and install the
suction manifold and strainer body assembly.
5-1

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