Nortrac XT20 Owner's Manual page 40

Tractors
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2.15.5 Tractor break-in without a load and with a load
After completing the PTO shaft and hydraulic system has been broke-in, proceed with tractor break-in
procedures according to Table 2-2-3 on the condition that everything on the tractor checks out. Break-in time is
10 hours in total.
Load break-in can be done after the idle running-in and only after everything checks out. The load and the
speed of the load running-in should be from low to high. During the break-in, pay attention to:
Check if the electrical equipment and the readings for various instruments is normal.
Is the engine running normally or not?
Check if the clutch engages smoothly, and disengaged completely.
Does the tractor shift easily and with/without random shifting or popping out of gear?
Are the brakes working correctly?
Check to ensure that the differential lock engagement and disengagement are working correctly.
Check to ensure that the engagement/release of the front axle is working correctly.
When a fault occurs, stop the break-in process and troubleshoot.
2.15.6 Maintenance after break-in
After break-in, you will need to drain system and replace all lubrication oils and hydraulic fluids and conduct
the necessary preventative maintenance according to recommended schedule, then you can put the engine into
normal operation.
The maintenance of engine after break-in in is as follows:
After parking, drain the warm lube oil in the diesel engine oil pan, change the oil filter and engine oil air
separator, and fill with fresh lube oil as required.
Drain transmission and hydraulic system and replace fluids.
Perform technical maintenance on diesel motor according to "Maintenance Instruction of Diesel Motor"
Drain the cooling water and clean the cooling system of the engine with water and then replace with new
coolant.
Check the toe-in and free strokes of the clutch and brake. Adjust if necessary.
Check and tighten all bolts, nuts and screws outside.
Fill lubrication grease to each lubrication point of the tractor according to Maintenance Chart.
IMPORTANT NOTES:
1
Tractor can not be put into service until the break-in is complete and any maintenance is performed.
Ignoring the break-in procedure can shorten the service life of the tractor.
2
The owner/operator should familiarize themselves with the tractor before performing the break-in
procedures.
Operation Description
34

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