User guide
PAGE 22 — AP6/AP8 SERIES TRASH PUMPS • OPERATION AND PARTS MANUAL — REV. #0 (06/11/14)
ENGINE COMPONENTS (AP6)
Figure 7. JD 4024TF Basic Engine Components
Figure 7 illustrates the location of the basic components
for the John Deere Model 4024TF air cooled diesel engine.
See Table 2 for engine specifications. The function of each
component is described below:
1. Crankcase Drain Plug – Remove this plug to
drain engine oil from the crankcase. Replace
with recommended engine oil as specified in the
maintenance section of this manual.
2. In-Line Fuel Filter – Replace or clean fuel filter as
specified in the maintenance section of this manual.
3. Primary Fuel Filter – Replace or clean the fuel filter
as specified in the maintenance section of this manual.
4. Oil Filler Port Cap – Remove this cap to add engine
oil to the crankcase. Fill with recommended type oil as
specified in the maintenance section of this manual.
5. Turbocharger – Pushes the fuel and air mixture into
the engine at a high pressure to increase power.
6. Drive Belt – ALWAYS make sure that drive belt is
properly tensioned. A loose or defective drive belt can
adversely affect the performance of the pump.
7. Radiator – Only fill with recommended coolant.
Reference maintenance section in this manual for
correct type of coolant.
8. Alternator – Provides power to the electrical system.
Replace with only manufactures recommended type
alternator.
9. Air Cleaner – Prevents dirt and other debris
from entering the fuel system. Replace with only
manufactures recommended type air cleaner.
10. Muffler Rain Cap – Always make sure rain cap is
in place (closed) when engine is not in use. This will
prevent water and dirt from entering the engine.
11. Muffler/Guard – DO NOT touch the muffler when
engine is running. The muffler can become extremely
hot, causing severe burns. NEVER run the pump with
the muffler guard removed.
12. Starter Motor/Solenoid – NEVER allow water or
any foreign debris to come in contact with the starter
motor/solenoid.
13. Oil Filler Port/Dipstick – Remove this dipstick to
determine if engine oil is low. Maintain oil level at the
"H "marking on the dipstick. NEVER run engine with
low oil.
14. Oil Filter – Replace oil filter as recommended in the
maintenance section of this manual.
15. Cooling Fan Blades – Make sure that the blades of
the cooling fan are not bent or broken. A damaged fan
blade can cause the engine to run hot and overheat.
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