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Engine Maintenance
92
Figure 121: Engine Oil Pressure Switch
Engine Oil Pressure Switch
Engine oil pressure switch should rise
immediately on starting. If engine oil pressure
drops below 10 ± 2 psig (69 ± 14 kPa), the switch
closes and signals the microprocessor to stop the
engine. See SPECTRUM
™
TS Microprocessor
Controller Diagnostic Manual.
Engine Oil Change
The engine oil should be changed according to the
“Maintenance Inspection Schedule”. Drain the oil
only when the engine is hot to ensure that all the
oil drains out. When changing oil, try to make
sure that the truck is not tipped away from the
direction that the oil is supposed to flow from the
oil pan. It is important to get as much of the
residual oil out as possible because most of the
dirt particles are in the last few quarts of oil to
drain out. Refill the pan with oil (see the
“Specifications” chapter) and check the dipstick
level. Run the unit, and then recheck the oil level.
NOTE: Fill the crankcase slowly so oil will not
run into the breather hose, thus filling up an
open cylinder. Leaving the dipstick out while
adding engine oil will vent the crankcase.
Add oil as necessary to reach the full mark. See
the “Specifications” chapter of this manual for
correct type of oil.
Oil Filter Change
The oil filters should be changed along with the
engine oil.
Spin-on Filters:
1. Remove the filter.
2. Apply oil to rubber ring of new filter and
install filter.
3. Tighten the filter until the rubber ring makes
contact, then tighten 1/2 turn more.
Crankcase Breather
The crankcase breather system ducts crankcase
gases formed in the crankcase directly to the
intake manifold. Harmful vapors that would
otherwise collect in the crankcase and
contaminate the oil or escape to the outside, are
now drawn back into the engine and burned. The
breather hose between the valve cover and the
intake manifold on the TK 3.95 engine should be
inspected yearly to make sure it is not plugged.
The TK376 engine does not use a breather hose
because the valve cover and the intake manifold
are combined in an assembly.
AJA1521
1.
Spin-on Oil Filter
2.
Pressure Valve Nut
3.
Oil Pressure Valve
Figure 122: Oil Filter Parts
Содержание SPECTRUM TS 30 SR NAD
Страница 4: ...4 ...
Страница 10: ...Table of Contents 10 ...
Страница 20: ...Safety Precautions 20 ...
Страница 51: ...Unit Description 51 Figure 19 Front View Figure 20 Back View AJA1350 AJA1500 ...
Страница 52: ...Unit Description 52 1 On Off Switch Figure 21 Side View 1 ...
Страница 60: ...Unit Description 60 ...
Страница 80: ...SPECTRUM TS Operation 80 ...
Страница 90: ...Electrical Maintenance 90 ...
Страница 100: ...Engine Maintenance 100 Figure 130 Early TK 3 95 Fuel and Oil System Components ...
Страница 102: ...Engine Maintenance 102 Figure 131 Late TK 3 95 Fuel and Oil System Components ...
Страница 104: ...Engine Maintenance 104 Figure 132 TK376 Fuel and Oil System Components ...
Страница 136: ...Refrigeration Maintenance 136 ...
Страница 156: ...Hilliard Clutch Maintenance 156 ...
Страница 158: ...Structural Maintenance 158 ...
Страница 168: ...Remote Evaporator Specifications 168 ...
Страница 170: ...Remote Evaporator Maintenance Inspection Schedule 170 ...
Страница 176: ...Remote Evaporator Electrical Maintenance 176 ...
Страница 180: ...Remote Evaporator Refrigeration Service Operations 180 ...
Страница 182: ...Remote Evaporator Structural Maintenance 182 ...
Страница 184: ...Remote Evaporator System Diagnosis 184 ...
Страница 188: ...Wiring and Schematic Diagrams Index 188 ...
Страница 189: ...189 Wiring Diagram Page 1 of 4 ...
Страница 190: ...190 Wiring Diagram Page 2 of 4 ...
Страница 191: ...191 Wiring Diagram Page 3 of 4 ...
Страница 192: ...192 Wiring Diagram Page 4 of 4 ...
Страница 193: ...193 Schematic Diagram Page 1 of 3 ...
Страница 194: ...194 Schematic Diagram Page 2 of 3 ...
Страница 195: ...195 Schematic Diagram Page 3 of 3 ...
Страница 196: ...196 ...