John Deere z425 - Manual (Page 38)

Service Electrical - 37
SERVICE ELECTRICAL
2. Raise operator’s seat.
MX37907
3. Disconnect negative (-) battery cable (A).
4. Push red cover (B) away from positive (+) battery terminal and remove
cable (C) from battery.
5. Remove hold down strap (D).
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6. Lower seat slightly to gain clearance for battery removal. Seat can be
removed to have better access to the battery and make it easier to
remove.
• To remove seat: Remove wiring harness connector (E) and harness
plug (F) from seat. Remove retaining clip (G) and remove rod (H)
holding seat to machine. Remove seat.
7. Remove battery.
Installing
1. Place battery into battery tray so battery posts are facing toward rear of
machine.
2. Install hold down strap.
3. Connect positive (+) cable to battery first, then negative (-) cable.
4. Apply general purpose grease or silicone spray to terminal to help
prevent corrosion.
5. Slide red cover over positive battery terminal.
6. Install seat, if removed.
7. Install wiring harness connector and harness plug on seat, if removed.
8. Lower seat.
Cleaning Battery and Terminals
1. Park machine safely. (See Parking Safely in the SAFETY section.)
2. Disconnect and remove battery.
3. Wash battery with solution of four tablespoons of baking soda to one
gallon of water. Be careful not to get the soda solution into the cells.
4. Rinse the battery with plain water and dry.
5. Clean terminals and battery cable ends with wire brush until bright.
6. Install battery.
7. Attach cables to battery terminals using washers and nuts.
8. Apply spray lubricant to terminal to prevent corrosion.
Using Booster Battery
M71044
A- Booster Battery
B- Disabled Vehicle Battery
1. Connect positive (+) booster cable to booster battery (A) positive (+)
post (C).
2. Connect the other end of positive (+) booster cable to the disabled
vehicle battery (B) positive (+) post (D).
3. Connect negative (–) booster cable to booster battery negative (–) post
(E).
C
A
B
D
E
F G
H
c
CAUTION: Avoid injury! The battery produces a flammable
and explosive gas. The battery may explode:
• Do not smoke or have open flame near battery.
• Wear eye protection and gloves.
• Do not jump start or charge a frozen battery. Warm battery to
16°C (60°F).
• Do not connect the negative (-) booster cable to the negative
(-) terminal of the discharged battery. Connect at a good
ground location away from the discharged battery.
B A
E
C
D
F