GB-8
JACOBSEN AR250 Series CE
SAFETY AND OPERATORS MANUAL
4.6
CUTTING UNIT SPECIFICATION
General: Five 559mm (22in) rotary mulching/side
discharge decks supported by equal ratio
lift arms.
Drive:
Fixed displacement hydraulic motors
directly coupled to cutting unit.
Control: Cutting unit lift lever with automatic shutoff
and safety interlock restart.
Construction:
Heavy duty, welded pressed steel.
Suspension:
Steerable floating head.
Cutting Blades:
Envirodeck
Patent pending twin blades. Lower blade
559mm (22in), upper blade 546mm
(21.5in)
Side Discharge
Low Lift Blade
Height of cut:
Adjustable in 6mm (0.25in) increments
19mm(0.75in) to 133mm(5.25in) no tool
required.
Rear roller:
102mm (4in) diameter smooth roller.
4.7
RECOMMENDED LUBRICANTS
Engine oil:
Should be to MIL-L-2104C or to
A.P.I. Classification SE/SF/SG
grades. [10W-30]
Hydraulic Oil:
To A.P.I. Classification CE/SF
grades
SAE 10W-30
Grease:
Shell Darina R2, or equivilant.
4.8
CUTTING PERFORMANCE (AREA)
2.7 hectares/hr. at 12 km/hr. ( 6.67acres/hr at 7.5
mph)
10% allowance is included for normal overlaps and
turning at the end of each cut.
