Gravely ZT HD 52 Operator's Manual page 23

DO NOT sharpen to this pattern.
2
4
DISCARD if more than
1.27 cm (1/2")
3
4
Sharpen to this pattern.
1. Cutting Edge
2. Square Corner
3. Air Lift Erosion
4. Air Lift
Figure 10
BATTERY
WARNING: AVOID INJURY. Read
and understand entire Safety
section before proceeding.
WARNING: Battery posts, terminals
and related accessories contain
lead and lead compounds,
chemicals known to the State of
California to cause cancer and
reproductive harm. Wash hands
after handling.
Unit comes equipped with a maintenance-
free battery that requires no regular
maintenance except cleaning the terminals.
Remove Battery
1. Shut OFF engine. Engage parking
brake. Remove the ignition key.
2. Place seat in the service position (see
Maintenance Schedule on page 19).
3. Disconnect cables from battery
(negative, then positive) (Figure 13).
4. Remove hold down and remove battery.
Install Factory Battery
1. Replace battery and secure with battery
1
hold down. See Figure 11.
1
2. Reconnect cables to battery (positive,
then negative). Position boot over
positive terminal.
3. Return seat to operating position.
Install U1 Battery
1. Replace battery and secure with battery
hold down. See Figure 12.
2. Reconnect cables to battery (positive,
then negative). Position boot over
positive terminal.
3. Return seat to operating position.
Clean Battery
Keep battery and its terminals clean. Inspect
every 100 operating hours or monthly for best
performance.
EN - 23
Figure 11
Figure 12