Section 4: Maintenance and Lubrication
RGR12 & RGA12 Series Rotary Tillers 311-948M
1/7/19
28
Gear Case
Type of Lubrication:
SAE 80-90W EP Oil
Quantity = Gear oil will run out of oil level plug hole when
full.
Check Gear Case Oil Level
1.
Check oil level at the beginning of the season and as
needed thereafter by removing oil level plug (#3) with
washer (#4). Oil should reach bottom of plug hole.
2. If low on oil, remove fill plug (#2) and add
recommended oil as needed to reach bottom of oil
level plug hole.
3. Replace washer (#4) with level plug (#3) and tighten.
4. Replace oil fill plug (#2) and tighten.
Change Gear Case Oil
Change gear case oil every 100 hrs of operation or when
oil becomes dirty, whichever comes first.
1.
Park tiller on a level, solid surface. Shut tractor down
before dismounting using
2. Remove bolts (#5), lock washers (#6), and gear case
cover (#1). Drain oil into a container that is
appropriate for collecting oil. Deliver waste oil to an
approved collection facility.
3. Remove gasket from cover (#1) and/or cover
mounting surface (#8).
4. Make sure gasket contact surfaces (#1 & #8) are
clean. Install new gasket (#7) (part # H-CD244),
existing cover (#1), lock washers (#6), and bolts (#5).
5. Tighten bolts (#5) as needed to make a tight seal.
6. Remove oil level plug (#3) with washer (#4) and oil fill
plug (#2).
7.
Add 6 pints of recommended oil through the fill plug
hole until oil begins to flow out of the oil level plug
hole.
8. Replace washer (#4) with oil level plug (#3) and
tighten.
9. Replace oil fill plug (#2) and tighten.
IMPORTANT:
Tiller should be level when checking
oil level in the gear case.
As
Required
Gear Case Oil Level
Figure 4-6
Gear Case Oil Change
Figure 4-7
70299
Washer
Oil Level Plug
Oil Fill And
Breather Plug
Gear Case
70299