Assembly Instructions; Uncrate Mower; Install Drive Wheels; Check Tire Pressure - Exmark Lazer Z Operator's Manual

3. ASSEMBLY INSTRUCTIONS

3.1 UNCRATE MOWER

3.2 INSTALL DRIVE WHEELS

3.2.1 Mount drive wheels with the valve stem to the outside of the unit. Secure using
four (4) 1/2-20 x 7/8" UNF wheel bolts (installed in hubs) or 1/2-20 wheel nuts
(installed on studs in hubs) for each wheel. Torque to 95 ft-lbs (128 N!M).
NOTE: Earlier models require the UNF wheel bolts. Later models have studs
installed in the wheel hub and require wheel nuts.

3.3 CHECK TIRE PRESSURE.

3.3.1 Check tire pressure in caster and drive tires. Proper inflation pressure for all four (4)
tires is 13 psi (90 kPa). Adjust if necessary.

3.4 INSTALL SEAT RETAINING ROD .

3.4.1 For all units with a standard seat: Tilt seat up. Remove 5/16" nylock nut from bolt
attaching seat retaining rod to seat frame. Remove ignition keys attached to bolt.
Remove retaining rod from seat and insert the "L" shaped end of the rod into the
hole directly above the left-side hydraulic pump mounting hardware (the "L" must
be positioned to the right). Position the seat retaining rod to the outside of the
mounting tab on the seat frame and secure with 5/16"x 1" bolt and nut. Tighten
until snug, then loosen just enough so the rod pivots freely.
For all units with a suspension seat: The seat base frame with adjustable
tracks and seat retaining rod are already attached to the unit. Remove the
suspension seat from front of crate and discard the hardware. Position the
seat on the studs in the adjustable tracks; be sure the left and right tracks are
aligned. Secure the seat with four 5/16 wizlock nuts.
3.5 INSTALL CANISTER AIR CLEANER . (Kohler 26 HP EFI units only)
a) Remove air cleaner (with bracket attached) from crate. Keep air cleaner and
mounting bracket together.
b) Remove the top two valve cover mounting screws from both left and right side
engine valve covers. Keep screws for re-attaching air cleaner.
c) Position the air cleaner assembly over the engine, aligning air cleaner bracket
holes with top holes in the valve covers. Reinstall valve cover screws through
air cleaner bracket and torque to 70 in. lb. (4.9 N-m).
d) Remove plastic plugs from air intake elbow on engine and air cleaner hose.
Adjust the air cleaner and hose as required and connect intake hose to air
cleaner outlet. Position and tighten the two hose clamps to secure the hose
connections.
e) Secure air cleaner by tightening the tensioning bolt and spring assembly until
ends of clamp are approximately ½" (12.7 mm) apart.

3.6 INSTALL MOTION CONTROL LEVERS .

3.6.1 Loosen and remove the two (2) 3/8" x 1" bolts and spring disc washers which
attach the motion control levers to the control arm shafts for shipping and the
two (2) 3/8" x 1" bolts and spring disc washers which are screwed into the control
arm shafts.
a) Install the left motion control lever onto the control arm shaft (See Fig.1) on the
left side of the console. Place the lever (with the mounting plate towards the
rear) on the outside of the control arm shaft and secure with the bolts and
washers. Position the lever so the bolts are in the center of the slots on the
.
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