Cleaning Cooling System; Cleaning Muffler And Exhaust Port; Adjusting Wheel Drive; Inspecting/Removing/Sharpening Blade - Toro ProLine 21” Recycler II Operator's Manual
Walk-behind power mower
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Also See for ProLine 21” Recycler II:
- Operator's manual (60 pages) ,
- Operator's manual (56 pages)
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5.
ADJUSTMENT—A small diameter pin may be
inserted into aligned holes to hold adjustment.
Push throttle cable until throttle lever contacts
choke lever (Fig. 18). Tighten cable clamp
screw. Remove pin if used.
Cleaning Cooling System
After every 75 operating hours, clean dirt and chaff
from cylinder, cylinder head fins and from around
carburetor and linkage. Also remove debris from air
intake slots on recoil housing. This will assure proper
cooling and optimum engine performance.
Cleaning Muffler And Exhaust
Port
Clean end of muffler pipe and exhaust port after every
75 hours of operation.
POTENTIAL HAZARD
Muffler and engine surface become hot
when mower is in operation.
WHAT CAN HAPPEN
Contact with hot muffler surface could
cause a burn.
HOW TO AVOID THE HAZARD
Clean muffler and exhaust port only after
engine and muffler are cool.
1.
Stop engine and remove wire from spark plug.
2.
Use hard wood scraper and remove carbon from
end of muffler pipe (Fig. 19).
3.
Remove screw, two nuts, and lock washers
(Fig. 19). Slide muffler off mounting pins.
4.
Slowly pull recoil starter so piston covers
exhaust port (Fig. 20).
5.
Clean carbon from exhaust port (Fig. 20) with
flat, hard wood scraper.
IMPORTANT: Do not use a metal scraper or
similar object to clean exhaust port because
accidental damage to the piston or cylinder
could easily occur.
6.
Reinstall muffler with screw, (2) nuts and lock
washers (Fig. 19). After cleaning exhaust port,
make sure muffler gasket is still usable.
Adjusting Wheel Drive
If mower does not self–propel or self–propels when
control bar is more than 1 / inches from the handle,
adjust wheel drive control knob on rear of gear box.
1.
Close door in mower housing and remove bag.
2.
ADJUSTMENT (Fig. 21)—Rotate control knob
clockwise / turn if mower does not
self–propel. If mower creeps forward, rotate
knob / turn counterclockwise to loosen belt.
3.
CHECK ADJUSTMENT—Slowly pull mower
backward while control bar is gradually moved
toward handle. Adjustment is correct when rear
wheels stop turning and control bar is about
1–inch from handle (Fig. 22).
Inspecting/Removing/
Sharpening Blade
Always mow with a sharp blade. A sharp blade cuts
cleanly and without tearing or shredding the grass
blades like a dull blade.
1.
Stop engine and wait for all moving parts to
stop. Pull wire off spark plug (Fig. 6).
2.
Drain gasoline from fuel tank; refer to Draining
Gasoline, page 11.
3.
Tip mower on its right side (Fig. 23).
EN–12
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