Troy-Bilt 12A-E753B063, Руководство по обслуживанию

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Servicing the Troy-Bilt Wide Cut 33” Combination Mower
4
3.4. With the engine OFF have a helper engage the
blade drive. Measure the distance between the
center of the idler pulley and the left drive pulley.
The measurement should be between 5 1/2” and
5 5/8”. See Figure 11.
NOTE: If the blade drive belt slips during opera-
tion it may be necessary to slide the idler pulley
forward in the slot on the idler arm. Loosen the
hardware on the idler pulley and slide the pulley
forward slightly. Tighten the hardware. See Fig-
ure 8.
IMPORTANT: The blades must come to a com-
plete stop when the blade engagement lever is
released.
4. BLADE DRIVE CONTROL LEVER ADJUST-
MENT
NOTE: Make the following adjustment if the
blade drive control lever releases during opera-
tion.
4.1. With the engine off, engage the operator pres-
ence control and the blade drive control. See
Figure 12.
4.2. Without releasing the controls, look inside the
cutout at the left rear of the frame and make sure
that the operators presence control latches are
fully engaged. See Figure 13.
4.3. To adjust, remove the hairpin clip on the upper
end of the operator presence control arm.
4.4. Loosen the hex nut and shorten the rod by one
or two turns. (Do not over adjust.) Tighten the
hex nut securely. See Figure 13.
4.5. If properly adjusted, the blade drive control will
disengage when the operators presence control
is released.
5. BLADE SPINDLE BELT REPLACEMENT
5.1. Using a ½ inch socket remove the four screws
securing the belt cover and removed the cover.
Figure 11
5-1/2” to 5-5/8”
Figure 12
Operator Presence Control Blade Drive Control
Hairpin Clip
Figure 13
Latched Position
Hex Nut