Exmark Lazer HP - Manual (Page 17)

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2.4.7 Safety Interlock System:
For Kohler units Serial Nos. 251,999 and Lower and all 22 & 23 HP Kawasaki
Liquid-cooled units:
Operator must be in seat with Blades disengaged, brake engaged, and
motion control levers out (neutral lock) to start engine.
For Kohler (Serial Nos. 252,000 & Higher), all Kawasaki Air-cooled and all 27 HP
Kawasaki Liquid-cooled units:
Blades must be disengaged, brake engaged, and motion control levers out
(neutral lock) to start engine. (It is not necessary for the operator to be in the
seat to start the engine.)
For all units:
Operator must be in seat when Blades are engaged, brake is disengaged, or
motion control levers are moved in or engine will stop.
Engine will stop if either the left, the right, or both levers are moved from neutral
lock position while brake is engaged.
2.4.8 Tilt Switch: (Serial Nos. 220,000 & Higher) Shuts off the engine when the unit is
tilted more than 60
°
from horizontal.
2.5 COOLING SYSTEM (Kawasaki Liquid-cooled units only)
2.5.1 Fan: 22 & 23 HP units: Thermostatically controlled electric
27 HP units: Electric with continuous operation with engine running
2.5.2 Coolant Liquid:
Kawasaki 22 HP Liquid cooled: 50/50 mix of ethylene glycol and water.
Kawasaki 23 & 27HP Liquid-cooled: 50/50 mix of DexCool© extended life
antifreeze and water.
2.5.3 Coolant Capacity: 4 quarts
2.6 OPERATOR CONTROLS
2.6.1 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: Newer motion control levers are adjustable to two heights.
2.6.2 Blade Engagement Switch: Engages electric clutch (to drive belt) which
engages mower blades.
2.6.3 Parking Brake Lever: Sets brakes.
2.6.4 Deck Height Adjustment Lever: Sets cutting height to desired position.
2.6.5 Deck Lift Assist Lever: Kohler 26 HP EFI units and all 72” units – Foot pedal that
assists in raising the deck. (This lever is an optional accessory for all other
units.)
2.7 SEAT
2.7.1 Type: All units except Kohler 26 HP EFI - Standard seat with high back, foam
padded (internal suspension) and armrests.
Kohler 26 HP EFI units - Deluxe suspension seat with high back, low profile
foam-in-place cushion (dampened, adjustable spring suspension) and armrests.
(This seat is an optional accessory for all other units)
2.7.2 Mounting: Hinged to tilt up for access to hydraulic pumps, battery and other
components. Held in tilted position with prop rod. Adjustable fore and aft seat track.