Bush Hog 865H Operator's Manual download pdf (Page 15)

A. Disengage tractor PTO.

B. Raise cutter and install stop collars on height

adjustment cylinder. Install transport lock.

C. Raise wing(s) and insert transport lock pin(s).

3-3 OPERATION

A. Perform BEFORE EACH USE maintenance

listed in paragraph 4-1.

B. Make certain jackstand is stored for work. (Fig. 2-2)

C. Start tractor. Raise cutter and remove stop col-

lars and transport lock . Remove wing transport lock

pins and place in storage hole (Figure 2-5). Lower

wings to working position. Raise/lower cutter to work-

ing height. The cutter should be operated at the high-

est position that will give desired cutting results. This

will help prevent the blades from striking the ground,

reducing blade wear and undue strain on the whole

machine. continuous ground and blade contact could

force blades into deck area.

D. Install stop collars to stop cylinder at cutting

height. Store remaining stop collars (if any) around

self-leveling linkage rod.

E. With tractor at idle speed, engage PTO drive.

IMPORTANT

DURING OPERATION, THE HYDRAULIC VALVE WING

LEVERS MUST BE LOCKED IN THE FLOAT POSITION

TO AVOID DAMAGE TO THE CYLINDERS AND AXLES.

TO AVOID SERIOUS INJURY OR DEATH:

IT IS HAZARDOUS TO OPERATE UNIT WITH

WINGS RAISED ABOVE GROUND.

TO AVOID SERIOUS INJURY OR DEATH:

KEEP CLEAR OF MACHINE WHEN RAISING

OR LOWERING WINGS. DO NOT “DRIVE

OUT” TRANSPORT LOCK PIN IF IT IS TIGHT

AGAINST WING LUG. TO REMOVE PIN,

RETRACT WING LIFT CYLINDER TO RELIEVE

LOAD ON PIN.

STAY CLEAR OF ROTATING DRIVELINES.

DO NOT OPERATE WITHOUT DRIVELINE

SHIELDS IN PLACE AND IN GOOD CONDI-

TION. FAILURE TO HEED THESE WARNINGS

MAY RESULT IN PERSONAL INJURY OR

DEATH.

F. Place tractor in gear and proceed forward. Ad-

vance tractor throttle to correct PTO speed for imple-

ment (540 or 1000 RPM). Tractor forward speed

should be controlled by gear selection, not engine

speed. For maximum cutting efficiency, forward

speed should allow cutter to maintain a constant,

maximum blade speed. Failure to maintain proper

blade RPM will result in poor cutting performance and

excessive blade and blade bolt wear. If PTO drive is

disengaged due to cutter stalling or tractor engine bog-

ging, cutter must be raised to

maximum cutting height and tractor throttle reduced to

idle before re-engaging. Rear deck bands can be in-

stalled when extra mulching of foliage is desired.

When in areas with tall, dense material, the front skids

may push material over and hold it down long enough

to prevent blades from cutting it. This will be evi-

denced by streaking in the skid area. To alleviate this

problem, remove the front skids.

WARNING

DANGER

IMPORTANT

DURING OPERATION, STOP AT REGULAR INTER-

VALS AND CLEAN ACCUMULATED DEBRIS FROM

THE TOP OF CUTTER DECK, ESPECIALLY AROUND

DRIVELINES AND GEARBOXES. THIS WILL HELP

PREVENT MATERIAL FROM CATCHING FIRE.

ALL ROTARY CUTTERS HAVE THE ABILITY TO

DISCHARGE OBJECTS AT HIGH SPEEDS

WHICH COULD RESULT IN SERIOUS INJURY TO

BYSTANDERS OR PASSERS-BY. DO NOT OP-

ERATE CUTTER ALONG ROADWAYS OR IN THE

VICINITY OF OTHER PERSONS WITHOUT EN-

CLOSED SIDES, PERMANENT BANDS, BELTING,

HIGHWAY CHAINS OR OTHER FACTORY AP-

PROVED DISCHARGE SHIELDS IN PLACE AND IN

GOOD WORKING ORDER.

WARNING

ROTARY CUTTER BLADES. STAND WELL

CLEAR UNTIL ALL MOTION HAS STOPPED.

TO AVOID AN ACCIDENTAL FALL FROM

TRACTOR AND POSSIBLE INJURY OR

DEATH BY MOWER, IT IS RECOMMENDED

THAT TRACTOR BE EQUIPPED WITH

ROLLOVER PROTECTIVE SYSTEM (ROPS)

AND A SEAT BELT BE USED BY THE OPERA-

TOR FOR ALL MOWING OPERATIONS.

DANGER

SECTION IV

MAINTENANCE

4-1 MAINTENANCE CHECK LIST

Perform scheduled maintenance as outlined below.

Lower machine to ground, turn off tractor and set

parking brake before doing maintenance inspections

or work. Some checks may require raising machine

off ground and supporting with blocks. All bolts

should be torqued as recommended in Torque Chart

unless otherwise indicated.

Refer to additional Key Operation Points on page 8

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 35 36

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Bush Hog 865H Operator's Manual Page 15

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