Cooling System; Operator Controls; Seat; Hydrostatic Ground Drive System - Exmark Laser Z Operator's Manual

2.5 COOLING SYSTEM (Kawasaki 22 & 23 HP Liquid-cooled units only)
2.5.1 Fan: Thermostatically controlled electric
2.5.2 Coolant Liquid:
Kawasaki 22 HP Liquid cooled: 50/50 mix of ethylene glycol and water.
Kawasaki 23 HP Liquid-cooled: 50/50 mix of DexCool© extended life
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.
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 – 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 spring 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.
2.7.3 Armrests: Standard seat: foam padded flip-up armrests.
2.7.4 Seat Safety Switch: Incorporated into the Safety Interlock System. Time delay
seat switch eliminates rough ground cut-outs.

2.8 HYDROSTATIC GROUND DRIVE SYSTEM

2.8.1 Hydrostatic Pumps: Two Hydro Gear BDP-10L variable displacement piston pumps.
2.8.2 Wheel Motors: Two Parker/Ross with 1 1/4" tapered shafts.
2.8.3 Hydraulic Oil Type: Synthetic Mobil 1 15W-50.
2.8.4 Hydraulic Oil Capacity: 2.1 qt.(2.0 L.)
2.8.5 Hydraulic Filter: Replaceable cartridge type.
P/N 513211: 10 microns, 18 psi bypass (Summer use above 32° F)
P/N 523541: 40 microns, 18 psi bypass (Winter use below 32° F)
2.8.6 Speeds: 18, 22, 23, & 25 HP Kohler and 22 HP Kawasaki Liquid-cooled models:
Optional suspension seat: molded adjustable flip-up armrests.
Serial Nos. 160,000-189,999
0 - 9.0 mph (14.5 km/hr) forward.
0 - 4.2 mph (6.8 km/hr) reverse.
26 HP Kohler EFI and 23 HP Kawasaki Liquid-cooled models:
0-9.8 mph (15.8 km/hr) forward.
0-6.3 mph (10.1 km/hr) reverse.
- 11 -
antifreeze and water.
Serial Nos. 190,000 & Higher
0 - 9.4 mph (15.1 km/hr) forward.
0 – 6.0 mph (9.7 km/hr) reverse.