Bush Hog HM2007, HM2008, HM2009 manual Directions for repair, ① - ②, Note The Following

①- ②

③

④

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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