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RE-TAP BELT GUIDE HOLES
All Models
Use the included 12-24 x1" hex washer head tapping
screw to enlarge the belt guide attaching hole threads.
1. Insert tapping screw (item 12) into each of the four
attaching holes. See Figure 9.
2. Tighten fastener until it is approximately 1/4" into
each hole.
IMPORTANT:
Do not exceed 1/4" depth.
3. Clean all grass and debris from belt channel.
INSTALL BELT CHANNEL PLUG
Models 911174, 175, 178, 179, 181, 375, 379
NOTICE:
Install either sheet metal plug (item 4) or plastic
dome plug (item 3), depending on mower/kit. Mowers
equipped with BBC (911176, 911177) do not require a
plug, as the cable routes through this hole.
Belt Channel Plug
1. Install metal plug (item 4) using two 10-24 x 3/8"
tapping screws (item 5). Hold plug in position from
inside of channel while securing screws. See
Figure 10.
Dome Plug
2. Insert dome plug (item 3) into hole in belt channel.
Plug snaps into position. See Figure 10.
REASSEMBLY
Models 911174, 175, 178, 179, 181, 375, 379
1. Route belt (item 9) through belt channel.
2. Route belt around transmission pulley and reinstall
transmission bracket and hardware.
3. Rotate transmission back into location. Loop belt
over crankshaft end.
4. Models 911174, 178, 375, 379 only: Install spacer
(item 6) onto crankshaft.
IMPORTANT:
Install new engine pulley (item 1) with thick
side of pulley toward engine. See Figure 11 for
orientation.
Figure 9
Re-tap four holes. Do not exceed 1/4" depth.
Figure 10
Belt Channel Plug
Dome Plug
