Buhler 535 - Manual (Page 26)

435/485/535
2-7
Break-in Periods
The first 50 hours of operation are the most critical for
insuring long and dependable tractor life . Please carry
out the following procedures:
 . Review the tractor Pre-delivery Checklist contained
in the assembly manual with your dealer . Be sure
all applicable items on the sheet have been
checked .
2 . Check all fluid levels and be sure all systems are
filled with the correct fluids for your operating
conditions .
3 . Check the engine, transmission, and hydraulic oil
levels hourly during the first 0 hours of
operation .
4 . Inspect the tractor for leaks hourly during the first
0 hours of operation .
5 . Torque the wheel bolts to 75 N·m (525 ft-lbs)
after the first hour of operation and after every three
hour of operation for the first day . Re-tighten to the
specified torque daily until wheel hardware
maintains the specified torque .
6 . Operate the engine at 3/4 load as much as possible
during the first 50 hours (3/4 load is approximately
one gear lower than would be normally used to pull
a matched load) .
7 . Do not operate the engine at idle speed or maximum
horsepower for more than 5 minutes at a time for
the first 50 hours .
8 . Check the frame pivot pin, drag link and steering
cylinder cap screw torques after the first 0 hours
of operation . Torque the frame pivot pin to 365
N·m (000 ft-lbs) and the remaining pins to 75
N·m (30 ft-lbs) .
9 . Have your dealer complete the “First 50-Hour
Service” checklist at the end of this manual .
Engine Break-in
The Cummins engine used in Buhler Versatile 4WD
tractors has been run on a dynamometer before
installation but not enough to be considered broken
in .
 . Do not operate the engine at more than 3/4 load
for the first 24 hours of operation . Full load should
only be held for short intervals during the next 24
hours of operation .
2 . Check the oil level every 8 to 0 hours for the first
00 hours of operation .
3 . Follow the recommendations outlined in the
Cummins manual supplied with your tractor .
Section 2 - General Information
Break-In Period