Bush Hog HM2007 Lawn Mower User Manual


 
Directions for repair
Repair must only be carried out by competent persons with experience of using work-
shop equipment and trained in the repair of agricultural machinery in a safe and
responsible manner.
Stabilizer
Be careful. Remove stabilizer from machine for disassembly. Never disassemble the
stabilizer (A) without use of special tools (B). The spring is tightened to 800 - 1000 kg
(1764 - 2205 lbs.). Special tools (B) are available.
Hydraulic lifting cylinder
New set of seals must be fitted as shown. Sealing rings (C) and (D) must be positioned as shown.
Bevel gearbox
NOTICE
Repair of the gearbox must only be carried out by competent persons with thorough knowledge of
such work. Tooth clearance must be within the stated values.
NOTE THE FOLLOWING:
Checking of tooth clearance (mesh) can only be measured on a clean and oil free gearwheel.
Refer to gearbox repair manual for all gearbox repairs.
Use a 500 mm (19-5/8”) long torque bar attached to the pinion shaft bolt when checking the tooth
clearance. The stated values from 1.4 to 2.8 mm are valid with a 500 mm torque bar. Adjust tooth
clearance with shims at (E). Adjust the slack of the roller bearing at the bevel pinion wheel by
means of the washers (G) and (H).
Sealing ring (F) must be turned as shown.
Important, when fitting the gear to the machine:
Use tab to lock the 8 bolts retaining the gear to the cutterbar.
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