Gravely 988100-GR1336FX, 988101-GR1536FX, 988102-GR1548FX, 988103-GR1548FL, 988104-GE1748FL, 988110-GR1332FX, 988112-GR1544FX, 988114-GR Owner's/Operator's Manual page 23

5. Make the final jumper cable connection to the
engine block or the furthest ground point away
from the discharged battery.
WARNING: Make sure cables are clear of
any moving engine parts before starting
engine.
6. Start engine (See Starting and Shut Off on page
12). If engine will not start after several tries, unit
or battery may need service.
7. After engine starts, leave cables connected for
one to two minutes.
8. Disconnect cables in reverse order.
9. Operate unit normally to charge battery.
32" AND 36" BELT REPLACEMENT
2
1. Idler Spring
2. Deck Pulley
1. Stop engine, remove key and wait for all hot parts
to cool.
2. Set deck to the fourth cutting height.
3. Remove deck cover.
4. Remove deck idler spring.
5. Remove belt from deck pulleys and mower clutch
sheave.
6. Install new belt.
7. Replace idler spring.
8. Replace deck cover and secure.
NOTE: Make sure the wing knobs do not interfere with
cutting height adjustments.
3
4
1
3. Mower Clutch
Sheave
4. Belt
Figure 16
44"AND 48" BELT REPLACEMENT
Mower Drive Belt
1. Stop engine, remove key and wait for all hot parts
to cool.
2. Set deck to the fourth cutting height.
3. Remove deck cover.
4. Remove mower drive belt idler spring (Figure 17).
5. Remove mower drive belt from deck sheaves and
mower clutch sheave.
6. Install new mower drive belt on deck sheaves and
mower clutch sheave.
7. Replace mower drive belt idler spring to tension
belt.
8. Replace deck cover and secure.
NOTE: Make sure wing knobs do not interfere with cut-
ting height adjustments.
Deck Belt
NOTE: Mower drive belt must be removed before
removing the deck belt.
5
2
OG1390
4
7
1. Mower Drive Belt
Idler Spring
2. Mower Drive Belt
Idler
3. Mower Drive Belt
4. Deck Belt
1. Stop engine, remove key and wait for all hot parts
to cool.
2. Remove the deck belt idler spring from the spring
anchor.
3. Remove deck belt from deck sheaves.
4. Install new deck belt.
5. Replace deck idler spring to tension belt.
6. Replace mower drive belt.
7. Replace deck cover.
GB - 23
6
3
2
5
8
5. Deck Sheave
6. Mower Clutch
Sheave
7. Deck Belt Idler
Spring
8. Deck Belt Idler
Figure 17
5
1
OG1395