Changing Engine Oil - Toro 4130 Operator's Manual

CAUTION
Disconnect spark plug wire before performing
any of the maintenance procedures on your
mower.
REMOVAL AND INSTALLATION
OF CUTTING UNIT
1. Remove the catcher and unhook the two chains
from the support hooks (Fig. 25).
Figure 25
1. Chains
2. Support hooks
2. Slide the sleeves back on pull arm ball joints
and lift the pull arm sockets straight up off the
ball studs (Fig. 26).
Figure 26
1. Sleeve
2. Pull arm socket
3. Ball stud
3. Grasp the cutting unit chain case and pull the
cutting unit and drive shaft out to the right,
away from the traction unit.
Note : Right and left sides are determined from
2
3
1
3. Cotter pin
4. Yoke pivot
behind the handle.
To install the cutting unit:
1. Slide the cutting unit under the yoke from the
right side, line the drive shaft up with the
transaxle shaft and install the drive shaft.
2. Install the chains onto the support hooks
(Fig. 25).
3. Align the pull arms with the ball studs, slide the
sleeves back on the sockets and drop the arm
sockets down on the ball studs (Fig. 26).
4
4. Make sure the cutting unit is aligned with the
yoke roller and the drive shaft with the
transaxle shaft. If there is misalignment, refer
to Check Cutting Unit Alignment.
REMOVING THE YOKE
ASSEMBLY
To remove the yoke:
1. Remove the catcher and unhook the chains from
the support hooks (Fig. 25).
2. Remove the cotter pin from the yoke pivot and
slide the yoke assembly off the pivot (Fig. 25).
3. Reverse the procedure to install the yoke.

CHANGING ENGINE OIL

1. Run the engine to warm the engine oil.
2. Stop engine, place a drain pan under the plug in
the crankcase on the handle side of the engine,
remove the oil drain plug and allow oil to drain
into the drain pan (Fig. 27).
3. Install the drain plug; remove the oil fill plug
(Fig. 27), assure the engine is level and fill the
crankcase with fresh clean oil; refer to the
Engine Operator's Manual for oil requirements.
Maintenance
19