Lesco 708686, Руководство оператора

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LESCO
not owner repairable. If you have a problem with a
pump or wheel drive motor, call the LESCO
Service Hotline for a replacement. Do not
disassemble the pump or wheel drive motor.
G. MOWER MAINTENANCE:
1. TO CHANGE A BLADE: (See Figure 2.)
a. Remove the deck cover.
b. Tip the mower back and block up the front of
the deck.
c. Place one wrench on the hex head bolt under
the blade. Use a second wrench to remove the
nut on top of the spindle pulley.
d. Remember the number of blade spacers both
above and below the spindle.
e. Remove the long blade bolt (5/8" x 9-1/2" for
fixed and 3/4" x 9" for float), the flat
washer, the blade and the blade spacers. (Note:
torque the 5/8"bolt 70-80 ft.lbs. and the 3/4" bolt 90-
115 ft.lbs.)
f. To replace the blade, reverse the above proce-
dure. Be careful to replace the blade spacers
correctly above and below the spindle.
2. TO SHARPEN A BLADE:
a. To sharpen a blade, use LESCO’s Rotary
MAINTENANCE
Figure 2
Figure 4
Blade Grinder, No. 050655, or clamp the blade
in a vise and, using a flat mill file, carefully file
the cutting surface on each end of the blade to
a sharp edge.
b. Blades with severe nicks or dents that cannot
be removed by filing should be replaced.
c. After sharpening, check the balance of the
blade by placing the blade on the LESCO
Blade Balancer fulcrum device, No. 050532.
d. If the blade dips on one end, file stock off of
the cutting surface on that end. NOTE: If a
blade cannot be easily balanced, replace it.
3. TO CHANGE THE BLADE DRIVE BELTS:
a. Make sure the blade clutch is disengaged.
b. Remove the deck cover.
c. Remove the nut and the cap screw which
serves as a belt guide and is mounted in the
idler pulley arm. (Item J, Figure 3.)
d. Loosen the two belt guides under the engine
deck and rotate them out of the way.
e. Slip the long blade drive belt off of the pulleys.
f. Loosen the idler pull rod which holds the idler
pulley tight against the short blade drive belt.
(Item K, Figure 4.)
g. Remove the short blade drive belt from the
pulleys.
Figure 5
Figure 3