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1
2
1. Engine Block
2. Oil Pan
3. Full Flow Oil Filter
4. Engine Oil Connection
5. Oil Pressure Switch
Figure 1-3. Lube Oil Flow Diagram
1.5 SAFETY DEVICES
System components are protected from damage
caused by unsafe operating conditions by automatically
shutting down the engine when such conditions occur.
This is accomplished by the safety devices listed in
Table 1-1.
1.6 ENGINE AIR SYSTEM
The air cleaner is put on the engine to prolong its life
and performance by preventing dirt and grit from getting
into the engine causing excessive wear on all operating
parts. However, it is the responsibility of the operator to
give the air cleaner regular and consistent attention in
accordance with the instructions. If the air cleaner is
allowed to become dirty, the operation of the engine
would be impaired.
Unsafe Conditions
Low engine oil pressure
High engine coolant temperature
Excessive current draw by glow plug
circuit
Excessive current in control circuit
Excessive compressor discharge
pressure
Low compressor suction pressure
5
4
3
1. Fuel Tank
2. Fuel Supply Line
3. Fuel Pump
4. Mechanical Lift Pump
5. Fuel Filter
1.7 COMPRESSOR DATA
Table 1-1. Safety Devices
Safety Devices
Oil pressure safety switch
Coolant temperature sensor
(switch gauge)
Manual reset circuit breaker (CB1)
Manual reset circuit breaker (CB2)
High pressure cutout switch
Low pressure cutout switch
1-3
3
2
1
10
9
7
8
Figure 1-4. Fuel System Diagram
Compressor Model: Carrier 05K
No. of cylinders:
4
No. of unloaders:
1
Oil charge:
2.6 liters (5.5 pints)
Oil type:
Sunisco 3GS (R22)
Castrol Icematic SW-68 (R134a)
Device Setting
Opens below 10 3 psig
Opens shutdown circuit above 220
5_F
Opens @ 35 amps.
Opens @ 35 amps.
Opens @ 425 10 psig
Closes @ 300 10 psig
Opens @ 10 3 psig
Closes @ 27 3 psig
5
4
6
6. Fuel Bleed Valve
7. Injection Pump
8. Injector Nozzles
9. Fuel Leak-off Line
10. Fuel Return Line
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