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JACOBSEN AR3
SAFETY, OPERATORS & MAINTENANCE MANUAL
4.6 CUTTING UNIT SPECIFICATION
General: Three 686mm (27in) rotary mulching/rear
discharge decks.
Drive: Fixed displacement hydraulic motors
directly coupled to cutting unit.
Control: Cutting unit lift lever with automatic shut off
and safety interlock restart.
Construction:
Heavy duty, welded pressed steel.
Cutting Blades:
Rear Discharge
Low Lift Blade
Height of cut:
Adjustable in 6 mm (0.25 in) increments
19 mm(0.75 in) to 90mm (3.5 in)
Rear roller:
Series EK 76mm (3in) diameter smooth roller.
Series FZ 90mm (3.5in) diameter smooth roller
4.7 RECOMMENDED LUBRICANTS
Engine oil: Should be to MIL-L-2104C or to
A.P.I. Classification CD grades.
[10W-30]
Hydraulic Oil: GreensCare 46 (ISO 46) Bio
Degradable Oil
4 SPECIFICATIONS
Grease: K NATE (RJL No. 4213860), or
equivalent to MIL-G-23549C,
MIL-G-2345C, DIN 51 825,
DIN 51 818.
4.8 CUTTING PERFORMANCE (AREA)
1.0 hectares/hr. at 9.5 km/hr. ( 2.6 acres/hr at 5.9
mph)
10% allowance is included for normal overlaps and
turning at the end of each cut.
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