Yard-Man 21A-392B401 - Manual (Page 11)

11
SECTION 6: MAINTAINING YOUR TILLER
Lubrication
Tine Engagement Handle/Lever
• Lubricate the pivot points on the tine handle/lever
and the cable at least once a season with light oil.
The controls must operate freely in both directions.
Pivot Points
• Lubricate all pivot points and linkages at least once
a season with light oil.
Tine Shafts
• Remove tine assemblies and lubricate the tine
shafts at least once a season.
Wheel Shafts
• Remove wheel assemblies and lubricate the axle
shafts at least once a season.
Transmission
• The transmission is pre-lubricated and sealed at
the factory. It requires no checking unless the
transmission is disassembled. See an authorized
service dealer if the transmission is disassembled.
Belt Replacement
Reverse Drive Belt
• Disconnect and ground the spark plug wire against
the engine.
• Remove the two hex washer screws from the front
of the belt cover and remove the lock nut and flat
washer from the side of the belt cover.
• Remove the belt cover. See Figure 11. Lift the belt
off the transmission pulley.
Figure 11
• Remove the hex nut which secures the reverse
idler pulley to the idler bracket. Slide idler pulley out
and remove the belt. See Figure 12.
• Reassemble the new belt following instructions in
reverse order. Make certain the reverse drive belt is
assembled with the wide side of the belt against the
transmission and engine pulleys. Be certain to
adjust the clutch control as instructed in the
Assembly Section.
Figure 12
Forward Drive Belt
• Remove the reverse drive belt as instructed in the
previous section.
• Remove the belt keeper from the idler pulley by
removing the idler pulley nut. See Figure 13.
• Lift belt off the idler pulley and transmission pulley
and remove bolt from engine pulley.
• Push reverse idler pulley bracket forward and
remove engine pulley and belt.
• Reassemble the new belt following instructions in
reverse order. Make certain the forward drive belt is
assembled with the wide side of the belt away from
the transmission and engine pulleys. Be certain to
adjust the clutch control as instructed in Assembly
Section.
Figure 13
WARNING: Disconnect the spark plug wire
and ground it against the engine before
performing any repairs or maintenance.
Lock Nut & Hex Washer
Screw
Flat Washer
Belt Cover
Reverse
Pulley
Hex Nut
Engine Pulley
Forward
Belt
Reverse Belt Transmission
Pulley
Idler
Engine
Pulley
Forward
Belt Idler Pulley Nut