SELF-PROPEL BELT REPLACEMENT
There are several different procedures for replacing the
self-propel belt. Mowers with a blade brake clutch (BBC)
mechanism are the most complex as parts of that will
need to be removed to access the self-propel belt.
and may not disengage properly. It may be necessary
to remove the blade to replace the belt. Do not force the
new belt between the blade and mower housing. A nick
or cut in the new belt can cause premature failure.
Toro 21” Front Wheel Drive – Worm
Drive Transmission
Follow the procedure in reverse order to reassemble.
22” Rear Wheel Drive – Single Speed
Bevel Gear Transmission
See “Worm Drive Transmission” on page 2-1.
These mowers usually have a model number that starts
with 16xxx.
Toro and Lawn-Boy steel deck models
In order to replace the self-propel drive belt the trans-
mission must be removed from the chassis. This is
necessary to access the pulley and belt guide on top
of the transmission. See “Single Speed Bevel Gear
Transmission, Rear Wheel Drive Models, Transmission
Removal and Belt Replacement”, on page 4-10.
Remove the belt cover, push the top of the transmission
to the rear to create slack in the belt, and remove the
belt. Push the belt towards the engine. If necessary,
drain the fuel and oil to prevent spillage. Tip the mower
on its side, air filter side up. Slip the belt off the crank-
shaft pulley. In some cases, there might not be enough
clearance blade mower housing. It might be necessary
to remove the blade to remove the belt.
If necessary, drain the fuel and oil to prevent spillage.
Tip the mower on its side, air filter side up. DO NOT
bend the belt guides or force the belt between the
pulley and belt guide. Loosen or remove the mounting
screws to pivot the belt guides out of the way. If the belt
Follow the procedure in reverse order to reassemble.
2
Spur/Bevel Gear Transmission
1” Steel & Cast Deck – Single Speed guides are bent or out of place, the belt may have a
tendency to jump and may not disengage properly. It
may be necessary to remove the blade to replace the
belt. Do not force the new belt between the blade and
mower housing. A nick or cut in the new belt can cause
premature failure.
If necessary, drain the fuel and oil to prevent spillage.
Tip the mower on its side, air filter side up. Remove the
belt cover. Loosen or remove the belt guides so the belt
can be replaced without forcing it off. See the “Single
Speed Spur/Bevel Gear Transmission” section for a
typical transmission and drive layout, on page 3-1.
Follow the procedure in reverse order to reassemble.
21” Lawn-Boy Insight Mowers
Follow the procedure in reverse order to reassemble.
The Zone Start models use a basic self-propel system.
See “Transmission Remove and Replace”, on page
22” Front Wheel Drive – Single Speed
Bevel Gear Transmission
4-19,
which also explains the belt replacement process.
See “Single Speed Bevel Gear Transmission” on page
4-1.
These mowers usually have a model number that starts
with 200XX.
If necessary, drain the fuel and oil to prevent spillage.
Tip the mower on its side, air filter side up. Remove
the two belt cover mounting screws. DO NOT bend the
belt guides or force the belt between the pulley and belt
guide. Loosen or remove the mounting screws to pivot
the belt guides out of the way. If the belt guides are bent
or out of place, the belt may have a tendency to jump
10-2
WPM Drive Systems Manual
| Categories | Lawn Mower Manual, Parts and Accessories Manuals, Toro Lawn Mower Manual |
|---|---|
| Tags | Toro 16400, Toro 16401, Toro 16575, Toro 16576, Toro 16585, Toro 16775, Toro 16776, Toro 16785, Toro 20003, Toro 20005, Toro 20007, Toro 20008, Toro 20009, Toro 20013, Toro 20014, Toro 20019, Toro 20022, Toro 20023, Toro 20025, Toro 20027, Toro 20029, Toro 20030, Toro 20033, Toro 20038, Toro 20041, Toro 20042, Toro 20044, Toro 20045, Toro 20046, Toro 20048, Toro 20049, Toro 20051, Toro 20061, Toro SR 21OS |
| Model Number | 16576 |
| Model Year | 1990, 1996, 1999, 2001, 2003, 2004, 2005, 2006, 2007 |
| Download File |
|
| Document Type | Operator's Manual |
| Language | English |
| Serial Number | 0000001 - 0999999 |
| Product Name | Toro Lawnmower |
| Product Brand | Toro. Customer Service Representatives are available by phone:
Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
Canada 1-888-225-4886 USA 1-888-384-9939, Lawn Mower |
| Product Type | Walk Behind Mower |
| Swath | 21 inch |
| Discharge | Side |
| Engine Manufacturer | Tecumseh |
| Engine Oil Type | 21 oz. (.62l) 30w or 10w-30 / API SH or higher |
| Engine Motor Model # | TVS100-44021B |
| Engine Motor Type | 4 Cycle |
| Transmission Type | Hand Push |
| Spark Plug | Champion RJ17LM |
| Document File Type | |
| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
| Copyright | Attribution Non-commercial |
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