MTD 215-370 A - Manual (Page 7)

Gear Case. Proper lubricant level should be up to
the front pipe plug. Check with tiller on a level sur­
face. Add lubricant through vented pipe plug hole.
Add enough to bring level up to front pipe plug hole.
Use Mobilube SAE 140 gear oil or equivalent. Gear
case should be maintained with five (5) ounces of lu­
bricant.
TILLER GEAR CASE BEARING ADJUSTMENT CAP (Small)
If the bearing adjustment cap on the worm shaft is
over-tightened the bearings on the worm shaft can
seize during operation.
The cap should protrude approximately 1 /32" to
1/16" from the gear case.
5. Remove oil seals from gear case and bearing cap.
6. Remove all burrs from holes in tine shaft.
7. Dip oil seals in lubricant and then insert one in
gear case and one in bearing cap.
8. Wipe tine shaft clean of filings and lubricate be­
fore assembling with bearings and worm wheel
in gear case. Insert shaft slowly to prevent seals
from catching in holes in shaft.
9. Replace bearing cap.
CAUTION
REPLACING TILLER GEAR CASE OIL SEALS
1. Drain lubricant.
2. Remove tine assemblies.
3. Remove bearing cap. (See reference 24, pages 10
and 11.)
4. Remove bearings, worm wheel and tine shaft. Do
not remove bearing races'.
Do not damage oil seals. The open
flanges face to the outside of the gear
case.
10. Tighten bearing cap, retighten screws evenly.
11. Replace tine assemblies and add lubricant. (See
gear case above.)