Engine Oil - Scag Power Equipment SWZT-36H-14FS Operator's Manual

Section 7
FILL PORT PLUG
Figure 7-3. Right Side Fill Port Plug
9. Reinstall the fill port plug on the top of the transaxle.
10. The hydraulic system will need to be purged of
all air. Raise the rear of the machine so the drive
wheels are off the ground. Use jackstands and block
the front caster wheels to prevent the machine from
moving.
11. Move the dump valve control levers to the
"freewheel" position. See Figure 7-4.
"FREEWHEEL"
POSITION
DUMP VALVE
CONTROL LEVER
Figure 7-4. Dump Valve Control Lever
12. While in the operator's position, start the engine,
disengage the parking brake, select the desired
speed using the speed control lever, release the
neutral latch for both sides and slowly release both
the left and right steering control levers.
13. Run the engine at 1/2 throttle and move the steering
control levers to full forward and reverse 5 to 6
times.
"FREEWHEEL"
POSITION
DUMP VALVE
CONTROL LEVER
29
14. Move the speed control lever to the neutral position,
engage the neutral latch for both sides and engage
the parking brake. Move the dump valve control
levers to the "drive" position. See Figure 7-4.
15. While in the operator's position, start the engine,
disengage the parking brake, select the desired
speed using the speed control lever, release the
neutral latch for both sides and slowly release both
the left and right steering control levers. It may be
necessary to repeat steps 11 to 15 until the air is
completely purged from the system.
16. After the purge process is complete, remove the side
top port plug from both transaxles to check the oil
level. See Figure 7-2. If necessary, fill oil until the oil
just appears at the bottom of each axle top port

7.13 ENGINE OIL

A. CHECKING ENGINE CRANKCASE OIL
LEVEL
The engine oil level should be checked after every 8 hours
of operation or daily as instructed in the Engine Operator's
Manual furnished with this mower.
B. CHANGING ENGINE CRANKCASE OIL
After the first 20 hours of operation, change the engine
crankcase oil and replace the oil filter. Thereafter,
change the engine crankcase oil after every 100 hours
of operation or bi-weekly, whichever occurs first. Refer to
the Engine Operator's Manual furnished with this mower
for instructions.
C. CHANGING ENGINE OIL FILTER
After the first 20 hours of operation, replace the engine oil
filter. Thereafter, replace the oil filter after every 200 hours
of operation or every month, whichever occurs first. Refer
to Engine Operator's Manual for instructions.
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