8–11
62-11637
c. To Change Engine Oil Filter:
1. If not continuing from preceding step b., warm
up the engine and then stop it by placing the
STOP/ RUN-OFF switch in the OFF position.
Ensure the unit will not start automatically by
disabling any two way communication.
2. Remove oil filter. Ensure filter mounting is clean.
CAUTION
!
When changing oil filter, the new filter
should be primed (partially filled) with
clean oil if possible. If the filter is not
primed, the engine may operate for a
period with no oil supplied to the bear-
ings.
3. Lightly oil gasket on new filter before installing.
Tighten 3/4 to 1 turn after seal makes contact.
4. Start unit and check for leaks.
8.5.10
Air Cleaner
The air cleaner should be inspected regularly for leaks.
A damaged air cleaner or hose can seriously affect the
performance and life of the engine. The air cleaner is
designed to effectively remove contaminants from the
air stream entering the engine. An excessive accumu-
lation of these contaminants in the air cleaner will
impair its operation; therefore, a service schedule must
be set up and followed.
An air cleaner service indicator is connected to the
intake manifold. Its function is to indicate when the air
cleaner filter element requires replacement. During
operation: when a plugged filter element causes the
intake manifold pressure to drop to 20” (500 mm) WG,
the indicator will move to the red line. The filter element
should then be replaced and the indicator reset by
pressing the reset button.
1. Ensure the unit will not start automatically by
disabling any two way communication and plac-
ing the STOP/RUN-OFF switch in the OFF posi-
tion.
2. Check all connections for mechanical tightness.
Be sure filter outlet pipe is not fractured.
3. Release 2 clips on air cleaner housing and
remove the cover.
4. Remove filter element, wipe inside of air cleaner
housing clean inspect filter element and replace
if required.
5. Wipe inside of the cover and re-install.
6. Re-secure 2 clips on air cleaner housing.
7. Start unit and check for leaks. Reset air cleaner
service indicator.
8.5.11
Engine Preheater
The current draw for the preheat circuit is checked
during a Pretrip cycle. Refer to
age and resistance values.
a. Troubleshooting The Engine Preheater (EPH)
1. Ensure the unit will not start automatically by dis-
abling any two way communication and placing
the STOP/RUN-OFF switch in the OFF position.
2. Disconnect the lead.
3. Measure the resistance between the + terminal
and the heater body. Refer to
for
correct resistance value.
4. If the resistance is infinite or zero, the engine
preheat element is faulty and must be replaced.
Figure 8.13 Engine Preheater
b. Replacing The Engine Preheater
1. Ensure the unit will not start automatically by dis-
abling any two way communication and placing
the STOP/RUN-OFF switch in the OFF position.
2. Remove the inlet hose.
3. Disconnect the lead.
4. Remove the flange, engine preheater and gas-
kets.
NOTE
To avoid short-circuiting the heater, ensure
that the heater and the heater elements are
vertical when assembling to the intake mani-
fold. The plus terminal is to be mounted
towards the front of the unit.
5. Clean gasket surfaces and reinstall engine pre-
heater and flange using new gaskets. Torque
flange bolts to 15 to 20 ft/lbs (20.3 to 27.1 nm).
6. Start unit and run Pretrip to check operation.
+ TERMINAL
HEATER BODY
Summary of Contents for Transicold X4 7300
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