Ferris Industries IS4000Z/KAV27 - Manual (Page 35)

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Figure 43. Gearbox Oil Level
A. Fill Plug
B. Drain Plug
A
B
GEARBOX MAINTENANCE
Check Gearbox Oil Level
1. Remove fill plug (A, Figure 43) on gearbox.
2. Once plug is removed, oil should seep out of fill plug
hole. If no oil drains out, fill with SAE 80-90 weight
gear oil until oil starts to seep from hole, then
replace fill plug.
Changing Gearbox Oil
NOTE: The gearbox lubricant should be changed after
the first 100 hrs. or 30 days of operation, then after 500
hours or 12 months.
1. Remove the mower deck drive belt (see MOWER
DRIVE BELT REMOVAL & REPLACEMENT for
instructions).
2. Rotate the the mower deck drive pulley on the gear-
box so the drain plug is aligned with the opening
between the pulley spokes.
3. Place a container under the gearbox drain hole and
remove the drain plug (B).
4. Replace drain plug and fill with SAE 80-90 weight
gear oil until oil starts to seep from hole, then
replace fill plug.
5. Using a parts solvent, thoroughly clean any excess
oil from the pulley faces and groove.
6. Reinstall the mower deck drive belt (see MOWER
DRIVE BELT REMOVAL & REPLACEMENT for
instructions).
Troubleshooting, Adjustment & Service