DR Power Lawn Aerator - Manual (Page 14)

14 DR ® LAWN AERATOR
Removing and Replacing the Engine Gear Reducer Oil
Tools and Supplies Needed:
 7/16" Wrench
 3/8" Wrench

Rags

Small Funnel
 Shallow Container (for waste Oil)

Gear Lube Oil (see Engine manual for Oil specifications)
Note: The Engine Gear Reducer Oil is a different type than the Oil used in the
Engine itself.
1. Remove the two Bolts and Flat Washers that secure the Belt Cover using a
7/16" Wrench and remove the Cover (Figure 16).
2. Position a shallow container on the unit directly under the Gear Reducer.
3. Refer to the Engine Operator’s Manual for procedures to remove and
replace the Gear Reducer Oil.
Note: Be sure to use environmentally safe disposal procedures when disposing of
used Oil.
Greasing the Crankshaft Bearings and Tine Nylon Bearings
Tools and Supplies Needed:
 7/16" Wrench
 Grease Gun with all purpose grease

Rags
1. Remove the four Bolts and Flat Washers that secure the Cover using a 7/16"
Wrench (Figure 17) and remove the Cover.
2. Grease the three Tine Bearing Fittings (every 10 hours) and Crankshaft
Bearing Fittings (every 100 hours) using the Grease Gun (Figure 18).
3. Replace the Rear Cover.
Replacing the Belt
Tools and Supplies needed:

7/16" Wrench
 Two 1/2" Wrenches

1" or adjustable Wrench

New DR Drive Belt (see chapter 6 for part numbers)
 Gloves
 Pliers
1. Remove the four Bolts and Flat Washers that secure the Cover using a 7/16"
Wrench (Figure 19) and remove the Cover.
Figure 16
Belt Cover
Hardware
Gear
Reducer
Figure 19
Cover
Hardware
Belt Cover
Figure 17
Cover
Hardware
Wear Gloves when removing the Engine and Tine Assembly to protect against
pinching and sharp edges.
Bearing
Grease
Fittings
Figure 18
Tine
Grease
Fittings