Harper Straw Blower 1800, Operator'S Manual

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Straw Blower
16
GEARBOX
SAFETY WARNING!
Refer to the Standard Torque Chart when-
ever bolts, nuts or screws are tightened.
Problem: What to Check:
Oil leaks • Housing bolts may be loose
• Oil seals may need replaced
Gearbox overheats • Oil level may be too low
• Dirt or grease may have accumulated around the
gearbox
Gearbox vibrates, is very noisy • Oil level may be too low
• Components may be worn or damaged
• Load may be excessive
Standard Torque Chart
Size In-Lbs Ft-Lbs N-m
No. 10-24 25-35 5-7 2.8-4.0
1/4 in. 60-80 18-20 7-9
5/16 in. 120-140 28-30 14-16
3/8 in. 340-360 64-74 24-27
1/2 in. 126-150 90-100
Note : When tightening two or more fas-
teners on the same part, DO NOT tighten
the fasteners completely one at a time. To
avoid distortion, first tighten all fasteners in
sequence to one-third of torque value, then
tighten to two-thirds of torque value, then
tighten to full value.