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Section 3: Adjustments
ZT60i & ZT72i (S/N 748110+) Accu-Z
®
Zero Turn Mowers 357-552M
Table of Contents
2/06/14
!
WARNING
Unless specifically required, Do Not have engine running
when servicing or making adjustments to the mower. Place
both control levers in the park position and remove ignition
switch key. Read and observe all “Safety Warnings” and
“Important Notes” in this manual.
Repairs or maintenance requiring engine power should be
performed by trained personnel only. To prevent carbon
monoxide poisoning, be sure proper ventilation is available
when engine must be operated in an enclosed area.
Your Zero Turn Mower was adjusted before it left the
factory and checked for proper operation during
pre-delivery set-up. However, break-in wear and
continued use can cause some adjustments to change.
• Be alert for unusual noises while operating the mower.
They could be signaling a problem.
• Visually inspect for abnormal wear or damage while
servicing and making adjustments to the mower.
Proper servicing and adjustment is the key to the long life
of any implement. With careful inspection and routine
maintenance, you can avoid costly downtime and repair.
!
WARNING
Keep your mower clean. Remove heavy trash and clippings
from mower. Keep all moving parts, hydraulic system, engine
cooling system, and exhaust system clean of trash and
clippings. Accumulation of trash and/or clippings can cause
fires, hydraulic overheating and excessive belt wear.
Clear away heavy build-up of grease, oil, and dirt.
Especially clean in the areas around oil openings, fuel
openings, and air inlets. Minute dust particles are
abrasive to close-tolerance engine and hydraulic
components.
Some repairs require the assistance of a trained service
mechanic and should not be attempted by unskilled
personnel. Consult your Land Pride service center when
assistance is needed.
Torque Requirements
Refer to “Torque Values Chart”on page 58 to determine
correct torque values when tightening hardware. See
“Additional Torque Values” at bottom of chart for
exceptions to standard torque values.
Tire Pressure
Before considering any adjustment, check air pressure in
the tires. Unequal tire pressure will cause mower to drift
to one side and cut grass at unequal heights. Refer to
“Tire Inflation Chart” on page 59.
Park Brake Adjustment
Over time, the park brake cable can stretch changing the
effectiveness of the park brakes. Adjust park brakes if
they do not hold on an incline or if the park brake lever
applies too easy or too hard.
Park Brake Adjustment
Figure 3-1
Refer to Figure 3-1:
1. Check distance nut (#5) is from end of threaded
mount (#6). If distance is about 1/8", skip to step 4.
Continue with step 2 if distance is greater than 1/8".
2. Back nut (#5) away from engine platform until about
1/8" from end of threaded mount (#6).
3. Tighten jam nut (#4) against engine support plate.
4. Loosen nut (#2) 5 or 6 turns.
5. Skip to step 6 if break lever (#1) applies too hard.
If park breaks do not hold on an incline or if break
lever applies too easy, continue with step a below:
a. Tighten nut (#3) one-half turn at a time until
applied pressure at break lever (#1) is
satisfactory.
b. Tighten nut (#2) against lever housing.
c. Ensure cable adjustment allows linkage (#7) to
return fully to disengaged position. Not doing so
may cause premature wear and unnecessary
heat in the transaxle.
d. Move mower to an incline and recheck break lever
to make certain park breaks will hold mower on an
incline. If necessary, repeat step 5 until park
breaks will hold on an incline.
6. If break lever (#1) applies too hard, continue with
step a below:
a. Loosen nut (#3) one-half turn at a time until
applied pressure at break lever (#1) is
satisfactory.
b. Tighten nut (#2) against lever housing.
33817
Section 3: Adjustments