JLG Skytrak 6036 Service Manual page 90

Section 8. Engine
Engine Coolant
1. Level the forklift, lower carriage to ground,
shut off engine and engage park lock.
2. Unlock and open the right rear engine access
door.
COOLANT
OIL FILL
OVERFLOW
CAP
BOTTLE
Fig. 8.7 Coolant and Engine Oil
3. Check the level of coolant in the overflow
bottle, Fig. 8.7. When the coolant is hot, the
bottle should be 3/4 full to full. When the
coolant is cool, the bottle should be 1/4 to 1/2
full.
4. Add coolant as required through the overflow
bottle. Use a 50/50 mixture of ethylene glycol
and water.
5. Close and lock the right rear engine access
door.
Engine Oil Level
1. Level the forklift, lower the carriage to ground,
shut off engine, and engage park lock.
2. Unlock and open the right rear engine access
door.
3. Remove the engine oil dipstick, Fig. 8.7, and
check the level. Oil should be between the full
and add mark. Replace dipstick.
4. If required, add 10W30 motor oil equal to API,
SE CC, or SE CD Specifications.
5. Close and lock the right rear engine access
door.
8.1.4 250 Hour Intervals
Engine Oil and Filter Change
1. Operate the engine until it is warm (approxi-
mately 5 minutes).
8-4
OIL
DIPSTICK
FILTER
OA0242
2. Level forklift, lower the carriage to ground,
shut off engine, and engage park lock.
3. Place a receptacle under the engine oil pan
drain plug.
4. Remove drain plug on rear face of the engine
oil pan and allow oil to drain completely into
receptacle.
5. Unlock and open the right rear access door.
6. Remove the oil filter, Fig. 8.7. A strap or chain
filter wrench may be required.
7. Clean the filter sealing surface.
8. Apply a thin coat of engine oil to the seal on a
new filter.
9. Install new oil filter and tighten 1/2 turn after
initial contact.
10. Clean and install the oil pan drain plug.
11. Remove oil fill cap, Fig. 8.7, and add 10W30
motor oil equal to API, SE CC, or SE CD
specifications (refer to paragraph 8.1.10). DO
NOT overfill. Crankcase capacity with filter is
9.4 quarts (8,9 liter).
12. Start the engine and run for several minutes.
13. Stop the engine and allow oil to drain back for
a few minutes.
14. Check dipstick and add oil as required.
15. Check for leaks at the filter and drain plug.
Retighten either if necessary.
16. Add oil to bring level to full mark on dipstick.
17. Close and lock engine access door.
Fig. 8.8 Fuel Pre-Filter
Fuel Pre-Filter
1. Unlock and open right rear access door.
2. Open top bleed screw of fuel pre-filter, Fig.
8.8.
Model 6036 S/N 9B0499 and Before
TOP BLEED SCREW
FILTER HEAD
FUEL PRE-FILTER
DRAIN COCK
OA0292