T-375
5–8
5.4.12
Engine Crankcase Breather
The engine uses a closed type breather (see
) with the breather line attached to the cylinder head cover.
It is not necessary to disassemble valve style elements for cleaning. However, the bleed hole should be checked
for obstructions. Check once a year or at every 4,000 hours maintenance interval, whichever comes first.
Figure 5.4 Engine Crankcase Breather
1) Screw
2) Breather Valve
3) Breather Tube
4) Breather Cover
5) Bleed Hole
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5.4.13
Intake Heater Test
1. Disconnect the lead from the heater terminal.
2. Measure the resistance between the heater positive terminal and the heater body.
3. If the resistance is infinity or significantly different than the specification, resistance (cold) 0.3 ohms, replace
the heater.
Figure 5.5 Intake Heater
1) Positive Terminal
2) Heater Body
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5.4.14
Intake Heater Service
1. Remove the harness connection from the heater.
2. Remove the intake transition mounting hardware.
3. Remove the intake transition, heater and both gaskets.
4. Clean the old gasket material off the transition and manifold mounting services.
1
4
5
2
3
1
2
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