SkyTrak 6036 Service Manual - Manual (Page 102)

Section 8A Perkins Engine
8A-10 Model 6036/6036T S/N 9B0500 thru 14833
PETCOCK
MUFFLER
OA0252
Fig. 8A.17 Radiator Petcock
4. Detach the line from the bottom of the coolant
overflow bottle at the radiator and position line
so coolant drains into the container.
5. Flush the system with clean water.
OF0370
Fig. 8A.18 Cylinder Block Drain Plug
6. Remove cylinder block drain plug, Fig. 8A.18,
and drain the engine block. Replace the drain
plug.
MA1640
MA1650
CYLINDER
BLOCK DRAIN
PLUG
Fig. 8A.19 Inspect for Worn Hoses, Loose Clamps,
Leaks and for the Accumulation of Dirt
7. Check for damaged hoses and loose or
damaged hose clamps, Fig. 8A.19. Replace
as required. Check the radiator for leaks,
damage and buildup of dirt. Clean and repair
as required.
8. Connect line to overflow bottle, install plug in
bottom of coolant inlet to engine, and close the
petcock on the radiator.
9. Fill the system with a mixture of sodium
carbonate and water (or a commercially
available equivalent) through the radiator fill
opening. Use 1 lb of sodium carbonate to 6
U.S. gallons of water (0,5 kg of sodium
carbonate to 22,7 liters of water).
10. Operate the engine for 5 minutes with the
coolant temperature above 180 °F (82 °C).
11. Shut off the engine, allow system to cool and
drain the entire cooling system.
12. Fill the cooling system with clean water. Be
sure to vent the engine for complete filling.
IMPORTANT: Do not install the radiator cap.
13. Operate the engine for 5 minutes with the
coolant temperature above 180 °F (82 °C).
14. Shut off the engine and drain the cooling
system; if the water being drained is still dirty,
flush the system again until the water is clean.
15. Fill the cooling system (through the radiator fill
opening) with a mixture of 50 percent water
and 50 percent ethylene glycol antifreeze.
System capacity is 5.8 gal. (21,9 liters).
16. Install the radiator pressure cap. Operate the
engine until it reaches 180 °F (82 °C) and
check for coolant leaks.
17. Refer to paragraph 8A.2.1 and fill radiator with
5.4 gallons (20,4 liters) of coolant.
18. Add coolant to overflow bottle until bottle is 1/4
to 1/2 full — approximately 3 qts. (2,8 liters).
8A.8.2 Replace Air Filter
Primary Element
Replace air filter primary element, Fig. 8A.6, after
six cleanings or annually (refer to paragraph
8A.5.7).