Lesson 3/Learning Event 2
If the belt tension is not between five to seven pounds, loosen the engine
mounting bolts to move the engine. If the belt tension is more than five to
seven pounds, move the engine toward the pump. If less than five to seven
pounds, move the engine away from the pump. You may have to check the belt
tension several times before you have the right belt tension.
Since the generator has only one belt, you will not be able to use an
adjacent belt as a reference.
Place a straight edge (a wrench, ruler, or
other straight object) over the engine and generator pulley to use as a
reference line. Proceed as you did when checking the drive-belt tension.
Since there is a generator-belt adjusting screw, adjusting the belt tension
For the correct belt tensions, the O-ring should be at the five- to seven-
If the belt tension is not right, loosen the locknut on the
belt adjusting screw, and the two capscrews on the generator (figure 11).
Turn the adjusting screw clockwise to increase belt tension and
counterclockwise to loosen belt tension. You may have to check a couple of
times until you get the right belt tension. Tighten the generator capscrews
and the belt adjusting screw locknut.
Maintenance of the Hoses.
Maintenance of the hoses is performed by using
the following steps.
Flush the hoses with hot water.
Clean the swivel couplings with dry-cleaning solvent (SD).
Inspect and replace gaskets as necessary.
Wash the exterior of the hoses with hot, soapy water.
Dry all parts thoroughly.
Step 6. Inspect the hoses for leaks, breaks, or other damage. Inspect the
swivel couplings for worn or damaged threads. Report a defective discharge
hose to organizational maintenance personnel.
Maintenance of the Battery.
Maintenance of the battery is performed by
using the following steps.
Step 1. Clean the battery with a dry cloth and wire brush. If the battery
is corroded, clean it with a brush dipped in a solution of bicarbonate of
soda and water.
After the foaming action stops, flush the battery with
clean water and wipe it dry with a clean cloth.