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Book 35393560 (12/02)

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Each month, inspect the radiator exterior for
obstructions (dirt, bugs, etc.). If present, blow water or
compressed air containing a nonflammable solvent
between the fins in a direction opposite the normal air
flow. Should the radiator be clogged internally,
standard automotive practices should be followed.

ENGINE CORROSION RESISTOR ELEMENT

Replace as recommended in engine operation
manual.

HOSES

Each month it is recommended that all of the intake
lines to and from the air cleaners, the engine cooling
system hoses and all of the flexible hoses used for air,
oil, and fuel be inspected.

To ensure freedom from air leaks, all rubber hose
joints and the screw--type hose clamps must be abso-
lutely tight. Regular inspection of these connections
for wear or deterioration is a definite “must” if regulator
servicing of the air cleaners is not to prove futile. Pre-
mature wear of both the engine and compressor is AS-
SURED whenever dust--laden air is permitted to enter
the engine’s combustion chamber or the compressor
intake practically unfiltered.

The flexible hoses used in the fuel, oil and air lines on
these units are primarily used for their ability to accom-
modate relative movement between components. It is
extremely important they be periodically inspected for
wear and deterioration. Clamps are used to prevent
hose cover abrasion through vibration. This abrasion
may occur when two hose lines cross, or when a hose
line rubs against a fixed point; therefore, it is neces-
sary that all clamps be replaced if missing. It is also
important the operator does not use the hoses as con-
venient hand hold or steps. Such use can cause early
cover wear and hose failure.

NOTICE

Piping systems operating at less than 150 psi
(1050 kPa) may use a special nylon tubing. The
associated fittings are also of a special “push--in”
design. If so, features are as follows:

Pulling on the tubing will cause the inner sleeve to
withdraw and compress, thus tightening the connec-
tion. The tubing can be withdrawn only while holding
the sleeve against the fitting. The tubing can be re-
moved and replaced numerous times without losing
its sealing ability.

To install the nylon tubing, make a mark (with tape or
grease pencil) approximately 7/8 inch from the end of
the tubing. Insert the tubing into the sleeve and
“push--in” past the first resistance to the bottom. The
mark should be approximately 1/16 inch from the
sleeve, for the 3/8 inch O.D. tubing; 1/8 inch for the
0.25 inch O.D. tubing. This will ensure that the tubing
is fully engaged in the sealing mechanism.

FASTENERS

Visually check entire unit in regard to bolts, nuts and
screws being properly secured. Spot check several
capscrews and nuts for proper torque. If any are found
loose, a more thorough inspection must be made.
Take corrective action.

Note:

For Nyloc Nuts, IF REMOVED, replace with

new ones.