GB - 12
NOTE: For best mulching performance, DO
NOT mulch grass that is higher than the
mulch line (figure 7).
IMPORTANT: Proper maintenance can
prolong the life of unit. The following chart
shows the recommended service schedule.
Refer to the maintenance instructions in the
Engine Manual for additional information.
IMPORTANT: Do not place unit on end.
OE0170
3
2
Figure 7
1. Mulch Cover 2. Mulch Line
MAINTENANCE SCHEDULE
WARNING: AVOID INJURY. Read
and understand the entire Safety
section before proceeding.
Interval Task Action
Each Use
Check Safety
Interlock System
WARNING: Safety interlock system failure and
improper operation of unit can result in death or
serious injury. Test this system each time the unit
is operated. If this system does not function as
described, do not operate until repairs are made
(see Safety Interlock System on page 9).
Check Parking
Brake
Engage parking brake and engage transmission bypass
lever (see Moving The Unit Manually on page 11). Push
unit. If unit rolls, contact your Gravely Dealer.
Clean Unit Clean engine, battery, seat, mower deck, etc. of all dirt and
debris. Do not use solvents, hard cleaners, or abrasives.
NOTE: Protect painted surfaces with automotive type wax.
NOTE: The electric clutch MUST be cool prior to cleaning
mower deck with water.
Check Tires See Specifications on page 25 for correct tire pressure.
Check Mower
Blades
Check for worn or damaged blade(s) (see Sharpening
Mower Blade on page 17).
Follow Engine
Manual
Maintenance
Schedule
Perform scheduled engine maintenance. Refer to Engine
Manual for detailed instructions.
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