Jacobsen ransomes hr3806, Руководство по обслуживанию и запасным частям

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GB-21
RANSOMES HR3806 Series: DZ
MAINTENANCE AND PARTS MANUAL
CUTTER DECK ADJUSTMENTS
7 CUTTER DECK ADJUSTMENTS
7.2 BELT TENSION
1. Adjust belt tension to 1/2” (13 mm) deflection at
10 lbs (5 kg) force at the middle of the long rear
span D . If necessary, adjust as follows:
2. Loosen locking nut on adjustment bolt E .
3. Loosen (4) bolts G fastening the motor mounting
plate to the cutter deck (3 visible in photo).
4. Turn adjustment bolt E until proper tension is
obtained.
5. Retighten (4) bolts G and lock nut on adjust-
ment bolt E .
Fig.20
7.3 BLADE SHARPENING & REMOVAL
When required, the cutter blades may be sharpened
either by filing or grinding. It is essential that the
balance of the blades are maintained.
NOTE: Always replace blades with original Ran-
somes blades, do not use another manufacturers
blades.
– Service the blades with the tractor turned off,
and the decks securely supported.
– Do not overheat or weaken the blades.
– If blade becomes cracked or bent, replace with a
new blade to ensure safe operation
– f lift portion of blade is worn thin replace with a
new blade to ensure safe operation
– Place block of wood W between blade and deck
baffle to prevent blade from turning during
removal
– Keep hands clear of rotating blades
Removing Blades
1. Remove the nut N from the top of the blade
spindle bolt
2. Remove the blade spindle bolt with the washer
and blade.
3. Replace the blade, washer and blade spindle
bolt.
4. Tighten to 100-140 ft-lbs (135-190 N-M)
Fig.21
Fig.22