ENGINE
Service Tips
2. Remove the entire crankshaft assembly, and
discard the oil seals.
1.
Cylinder/Crankcase Halves
The two halves are a matched pair and cannot be
exchanged between engines. Follow all cleaning
and assembly procedures in this subsection. Be
sure to use Loctite 515 on the mating surfaces.
Torque the six screws that secure the two halves.
See specifications.
2.
3.
Oil Seal
Visually inspect for leaky or damaged oil seals (two
locations). See the Seal Service section for the
procedure.
Figure 70
1657-012
Engine Base/Muffler Baffle (Lawn mower only)
This item should be checked and/or cleaned every
3. Carefully remove the HSH (hex, socket head) cap
screws (A) (see Figure 71) to remove the
connecting rod cap and the split bearing liner. The
needle roller bearings are under the split bearing
liner. (See Figure 72.)
100
hours (maximum) to keep carbon from
clogging exhaust system (power loss) and from
entering engine (causing piston scoring). See
Cleaning Exhaust, see page 15.
4.
5.
Exhaust Ports
The exhaust ports should be inspected and
cleaned as necessary (see page 15.)
Carburetor Gaskets
A
Carburetor gaskets on either side of the carburetor
shield may be leaking or damaged causing air
leaks into the engine (may cause power
fluctuations). Ensure that air cleaner/carburetor
mounting screws are properly tightened (see
Specifications).
Figure 71
0720-013
Disassembly
Removal of the shroud, recoil starter, flywheel, ignition
coil, and carburetor are covered in other parts of this
book and will not be repeated here.
1.
Remove the six crankcase cap screws, and
separate the halves using a screwdriver. (See
Figure 70.) Be careful not to damage the sealing
surfaces.
41
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| Model Number | 38412, 38418, 38413, 38419, 38422, 38424, 38440, 38428, 38429, 38432, 38433, 38437, 38438, 38439, 38440, 38441, 38442, 38445, 38515, 38537, 38538, 38600, 38601, 38602, 38603, 38610, 38611, 38419, 38516, 38517, 38518 |
| Model Year | 1999, 2000, 2001, 2002, 2004, 2005, 2007 |
| Download File |
|
| Document Type | Engine Service Manual |
| Language | English |
| Serial Number | 240000001 - 240999999 |
| Product Name | Toro Snow Commander Snowthrower |
| 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, Snow Blower |
| Product Type | Snowthrower |
| Product Series | Single Stage, Single Stage Snow Commander |
| Swath | 24 inch |
| Discharge | Single Stage |
| Engine Manufacturer | Toro |
| Engine Oil Type | Toro 2 cycle / NMMA-TCW3 |
| Engine Motor Model # | R-tek |
| Engine Motor Size | 7 hp |
| Engine Motor Type | 2 Cycle EPA2 |
| Document File Type | |
| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
| Copyright | Attribution Non-commercial |
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