Hydrostatic Ground Drive System - Exmark LAZER Z ADVANTAGE SERIES Operator's Manual

Specifications
• 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.
• Armrests:
– Standard seat: foam padded flip-up armrests.
– Optional suspension seat: molded adjustable
flip-up armrests.
• Seat Safety Switch: Incorporated into the
Safety Interlock System. Time delay seat switch
eliminates rough ground cut-outs.

Hydrostatic Ground Drive System

• Hydrostatic Pumps: Two Hydro Gear variable
displacement piston pumps.
• Wheel Motors: Two Hydro Gear with 1 1/4 inch
tapered shafts.
• Hydraulic Oil Type: Use Mobil 1 15W-50
Synthetic motor oil.
• Hydraulic Oil Capacity: 2.1 qt. (2.0 L)
• Hydraulic Filter: Replaceable cartridge type.
– Summer use above 32°F (0°C)
P/N 109-4180: 25 microns, 10 psi bypass
– Winter use below 32°F (0°C)
P/N 1-523541: 40 microns, 18 psi bypass
• Speeds:
– 0–9.0 mph (14.5 km/hr) forward.
– 0-5.8 mph (9.3 km/hr) reverse.
• Drive wheel release valves allow machine to be
moved when engine is not running.
Tires & Wheels
Deck Size 52
Quantity 2
Turf Master
Tread
Size 23 x 9.50–12
Ply Rating 4
Pressure 13 psi (90 kPa)
Drive
Pneumatic (Air-Filled)
60 & 72
2
Turf Master
24 x 12.00–12
4
13 psi (90 kPa)
Pneumatic (Air filled)
Deck 52 & 60
Size
Quantity 2
Smooth
Tread
Size 13 x
5.00-6
Ply 4
Rating
Pressure
13 psi (90
kPa)
Cutting Deck
• Cutting Width:
– 52 inch (132.1 cm)
– 60 inch (152.4 cm)
– 72 inch (182.9 cm)
• Discharge: Side
• Blade Size: (3 ea.)
– 52 inch Deck: 18.00 inches (45.7 cm)
– 60 inch Deck: 20.50 inches (52.1 cm)
– 72 inch Deck: 24.50 inches (62.2 cm)
• Blade Spindles: Solid steel spindles with 1 inch
(25.4 mm) I.D. bearings.
• Deck Drive:
– Electric clutch mounted on horizontal engine
shaft. "B" Section belt (with self-tensioning
idler) from electric clutch to transfer shaft
mounted on deck.
– Blades are driven by one "B" Section belt
(w/self-tensioning idler) from transfer shaft
on deck to blade spindles.
• Deck:
Full floating deck is attached to out-front support
frame. Six anti-scalp rollers provide maximum
turf protection. Deck design allows for bagging,
mulching or side discharge.
• Deck Depth:
– 52 inch Deck: 5.5 inches (14.0 cm)
– 60 inch Deck: 5.5 inches (14.0 cm)
– 72 inch Deck: 5.5 inches (14.0 cm)
16
Front Caster
Semi-Pneumatic
72 52 & 60 72
2 2 2
Smooth Smooth Smooth
13 x 13 x 13 x
6.50-6 5.00-6 6.50-6
4
13 psi (90
kPa)