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2.4.6 Safety Interlock System:
PTO must be disengaged, brake engaged, and speed control lever in neutral
position to start engine. (It is not necessary for the operator to be in the seat to
start the engine.)
Operator must be in seat when PTO is engaged, brake is disengaged, or speed
control lever is moved out of neutral or engine will stop.
Engine will stop if the motion control levers are moved from neutral position while
brake is engaged.
2.5 OPERATOR CONTROLS
2.5.1 Steering and Motion Control:
Separate levers, on each side of the console, control speed and direction of travel
of the respective drive wheels.
Steering is controlled by varying the position of the levers relative to each other.
Moving motion control levers outward
(in slots) locks the drive system in neutral.
NOTE: Motion control levers are adjustable to three heights.
2.5.2 PTO Engagement Lever
: Engages drive to PTO (mower deck).
2.5.3 Parking Brake Lever
: Pull back to engage parking brake.
2.6 SEAT
2.6.1 Type: Standard seat with high back, foam padded (internal suspension).
2.6.2 Mounting: Hinged to tilt up for access to hydraulic pumps, battery and other
components. The seat is held in the tilted position with a linkage. Adjustable fore and
aft seat track.
2.6.3 Seat Safety Switch: Internal to the bottom seat cushion, non serviceable. Time delay
module incorporated into the Safety Interlock System eliminates rough ground cut-outs.
2.6.4 Armrests: Standard seat: foam padded flip-up armrests.
Optional suspension seat: molded adjustable flip-up
armrests.
2.7 HYDROSTATIC GROUND DRIVE SYSTEM
2.7.1 Hydrostatic Pumps:
27 HP Kohler Units: Two Hydro Gear PR 16 cc variable displacement piston pumps.
20 HP & 23 HP Kohler Units: Two Hydro Gear PJ 12 cc variable displacement piston
pumps.
2.7.2 Wheel Motors: Hydro Gear planetary reduction motors.
2.7.3 Hydraulic Oil Type: Use Mobil 1 15W-50 Synthetic Motor Oil.
2.7.4 Hydraulic Oil Capacity:
For 27 HP Kohler Units: 5.2 qt. (4.9 L.)
For 20 HP & 23 HP Kohler Units: 4.0 qt. (3.8 L.)
2.7.5 Hydraulic Filter: Replaceable cartridge type.
P/N 103-2146: 25 microns, No bypass
2.7.6 Speeds:
27 HP Kohler Units: 0-10.5 mph (16.9 km/hr) forward
0-6.6mph (10.6 km/hr) reverse
20 HP & 23 HP Kohler Units: 0-8.7 mph (14.0 km/hr) forward
0-5.7mph (9.2 km/hr) reverse
2.7.7 Drive wheel release valves allow machine to be moved when engine is not running.