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

Specifications
– Moving motion control levers outward (in
slots) locks the drive system in neutral.
• PTO Engagement Switch: Engages electric clutch
(to drive belt) which engages mower blades.
• Parking Brake Lever: Engages parking brake.
• Parking Brake Release Button: Releases parking
brake.
• Deck Height Adjustment Lever: Sets cutting
height to desired position.
• Deck Lift Pedal: Foot pedal that lifts deck.
• Transport Lock:
– Latching position: Automatically latches at
the transport position.
– Unlatching position: Deck does not latch at
the transport position.
Seat
• Type: Standard seat with high back, extra
wide foam padded seat cushion with internal
suspension, thick bolstering, two-tone cover,
armrests, integral safety switch, and seat vibration
isolation system.
Optional seat accessories for units with standard
seats:
– Custom ride suspension system to enhance
Standard Seat. Adds approximately 3 inches
(7.6 cm) to seat height.
– Deluxe suspension seat with high back, low
profile foam-in-place cushion (dampened,
adjustable spring suspension), armrests, and
integral safety switch. Seat height remains the
same.
– Seat Isolation System for reduced vibration,
to enhance ride of standard seat, standard seat
with Custom Ride Seat Suspension or Deluxe
Suspension Seat. Adds approximately 1 inch
(2.5 cm) to seat height. Seat Isolation System
is standard on all units.
• Mounting: Hinged seat frame to tilt up seat. Held
in tilted position with prop rod. Adjustable fore
and aft on seat tracks.
• Armrests:
– Standard seat: foam padded adjustable flip-up
armrests.
– Suspension seat: molded adjustable flip-up
armrests.
• Seat Safety Switch:
Integrated seat switch. Time delay seat switch
eliminates rough ground cut-outs.

Hydrostatic Ground Drive System

• Two unitized hydrostatic transmissions:
– 48 and 52 inch decks:
◊ 12cc Parker axial piston pump
◊ 240cc Parker geroler motor
– 60 and 72 inch decks:
◊ 16cc Parker axial piston pump
◊ 280cc Ross geroler motor
• Hydraulic Oil Type: Exmark Premium Hydro oil.
• Hydraulic Oil Capacity: 52 oz (1.5 L) per side
• Hydraulic Filter: P/N 116-0164
• Speeds:
– 12cc
◊ 0-10 mph (16.1 km/hr) forward.
◊ 0-5.5 mph (8.9 km/hr) reverse.
– 16cc
◊ 0-11.5 mph (18.5 km/hr) forward.
◊ 0-6 mph (9.7 km/hr) reverse.
• Drive wheel release valves allow machine to be
moved when engine is not running.
Tires & Wheels
Drive
Pneumatic
(Air-Filled)
2
Quantity
Tread "Multi-Trac
C/S"
Size (60 & 72 24 x 12.00-12
Decks)
Size (48 & 52 24 x 9.50-12
Decks)
Ply Rating 4
Pressure 13 psi (90 kPa)
16
Front Caster
Semi-Pneumatic
2
Smooth
13 x 6.50-6
13 x 5.00-6