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Follow below steps to remove the mower deck from the
product first and then perform maintenance.
1. Park the mower on a level surface and set the parking brake.
2. Stop the motors and remove the safety key. Allow the cutting
blades to come to a complete stop.
3. Adjust the deck-height-adjustment lever to the lowest cutting
height position.
4. Disconnect both blade motor cables.
5. Place a rug or a mat (similar in size to that of the deck) under
the deck to prevent the damage to the deck.
6. Remove the cotter pins and push the shaft pins out. Save both
sets for deck re-assembly.
7. Push the deck forward (towards the front wheels) and rotate
the suspension linkage counterclockwise to release it from the deck hooks.
8. Push the deck sideways and remove it from under the mower (Fig. 35).
9. Clean the deck or replace the blade as directed in "REPLACING THE CUTTING BLADES" in this manual.
10. When the cleaning or blade replacement is complete, reassemble the deck onto the mower in the reverse order.
NOTICE: Reconnect the motor cables, ensuring that the left motor cable is connected to the left motor while the right
motor cable to the right motor. There are left or right indicated on the cables.
NOTICE: Make sure all motor cables are connected to the motor with proper torque. The recommended torque is
1.8-1.9 ft-lb (2.4 - 2.6 Nm).
REPLACING THE CUTTING BLADES
WARNING: Always protect your hands by wearing heavy gloves or wrapping the cutting edges with rags or other
materials when performing any maintenance on the mower blade. Always remove the safety key and battery packs when
servicing or transporting the mower.
To Remove the Cutting Blade
NOTICE: The following tools (not included) are required for replacing the blade:
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9/16 in (14mm) wrench
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Torque wrench with 9/16 in (14mm) socket
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Screwdriver or metal rod 5/16 in (8 mm) or a little less
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Screwdriver or metal rod 1/4 in (6.35 mm) or a little less
Tools that make life easier: Impact wrench with 9/16 in (14mm) socket make removing the blade bolts much easier.
1. Remove the mower deck as shown in the section "REMOVING THE MOWER DECK" in this manual.
2. Flip the deck on the ground so that the blades face upward.
52
56-VOLT LITHIUM-ION ELECTRIC ZERO TURN MOWER — ZT4200L/ZT4200L-FC
35
Blade Motor
Deck Hook
Deck
Cotter Pin
Shaft Pin
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