Bush Hog GHM 1900 - Manual (Page 18)

4-9 TROUBLESHOOTING
Troubleshooting procedures are listed in Table 4-1 below. If the problem cannot be solved or replacement parts
are necessary, contact your authorized Bush Hog dealer. Please have ready your machine name, model num-
ber, serial number, purchase date and exact cause or description of problem.
Table 4-1 Troubleshooting
PROBLEM PROBABLE CAUSE REMEDY
Uneven or streaked stubble Cylinder control valve not in “float” Place valve in “float” position
position.
Blades dull, rounded or broken Reverse or replace
Low PTO speed (heavy crops) Operate at 540 or 1000 rpm
High PTO speed (light crops) Operate at 540 or 1000 rpm
Material collecating on cutter bar Reduce cuter bar lift
Excessive ground speed Use lower gear
Belt slippage Tighten or replace belt
Material dragging on swathboard Remove swathboard
Stubble too long Cutter bar tilted back too far Tilt cutter bar forward
Vibration Blade damaged or missing Replace blade
Disc damaged Replace disc
Tapping or clicking noise Bent blade or rock guard Repair or replace
Blade disc out of time Correct timing
Figure 4-11
Pivot Bolt
Belt Tension
Adjusting Bolt
(1) Belts
(3) Retaining Plate
Key
Bushing
Securing Bolts
(2) Sheave
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