POWER SYSTEM
TB20J Plus Maintenance Manual 71
© Feb. 2023
7.3 YANMAR 4TNV88-BDFLTC
1. Lifting eye (flywheel end)
2. Turbocharger
1
3. Lifting eye (engine cooling fan end)
4. Engine coolant pump
5. Engine cooling fan
6. Crankshaft V-pulley
7. V-belt
8. Side filler port (engine oil)
9. Drain plug (engine oil)
2
10.Fuel injection pump
11. Engine oil cooler
12.Engine oil filter
13.Dipstick (engine oil)
14.Governor lever
15.Intake manifold
16.Fuel filter
17.Fuel inlet
18.Fuel return to fuel tank
19.Top filler port (engine oil)
20.Rocker arm cover
21.Air intake port (from air cleaner)
22.Flywheel
23.Starter motor
24.Exhaust manifold
25.Alternator
1
Do not apply to this model.
2
Engine oil drain plug location may vary
based on oil pan options.
Fuel System
Check the Fuel Level
The fuel level can be checked from the energized
ground controller display or platform controller display.
Fig 18 Fuel level (ground controller)
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