Section IV. OPERATOR/CREW MAINTENANCE

TM 9-4940-549-14&P

Section IV.

OPERATOR/CREW MAINTENANCE

3-6. General. The instructions in this section are published for the information

and guidance of the operator to maintain the shop set.

3-7. Batteries. Inspect and Service. Inspect batteries for cracked or broken

cases, corrosion on the terminal posts, damaged or frayed cabled and loose connec-

tions. Check electrolyte level. Check more often under high temperature conditions.

3-8. Air Cleaner. Service. Loosen clamp screw and clamp and remove oil cup from

the air cleaner. Clean oil cup with cleaning solvent and dry thoroughly. Fill oil

cup to proper level. Install oil cup on air cleaner and secure with clamp and clamp

screw.

Fuel Filter, Secondary.

Service as follows:

WARNING

The diesel fuel used in the engine for the Dynamotor-Welder is combus-

tible. Use caution when draining/filling fuel tank and working on the

fuel system. Extinguish all smoking materials and do not allow sparks

or open flame near the fuel tank and fuel system.

a. Remove drain plug in filter housing and allow the fuel to drain into a suit-

able container.

Discard gasket.

Remove the center screw to remove filter housing and gasket.

Remove element from housing and discard.

Install new element into the housing.

Install new gasket, housing and center screw.

Tighten center screw securely.

Install drain plug in the filter housing and tighten securely.

Replace either unserviceable or empty ether tank as follows:

Starting Aid.

Open ether tank bracket.

Unscrew ether tank from solenoid valve and discard.

Inspect threads of ether tank and solenoid valve for damage.

Screw replacement tank into solenoid valve hand tight.

RADIATOR.

Check coolant level in the radiator as follows:

WARNING

Always remove the radiator cap slowly

to permit any pressure to escape.