Toro Commercial Products Troubleshooting Guide Groundsmaster 345 325 D 96904SLDEX 1 Product Overview

TORO GM 325-D
Mitsubishi K3D Diesel Engine   25
Troubleshooting
Cylinder Leakage Test.
A cylinder leakage test may be performed if the test equipment is available.
The leakage test can locate:
1.
2.
3.
Leaking intake valve.
Air leaking from the air filter or intake manifold.
Leaking exhaust valve.
Air leaking from the muffler.
Piston rings not sealing properly.
Air leaking from crankcase breather or dipstick tube.
(NOTE: there will always be some leakage past the rings)
With the engine rotated until the piston is at the top of the travel on the compression stroke. The cylinder is filled
with air through the glow plug opening. The leakage tester will display the percentage of air lost, when the piston
is at the top part of the compression stroke.
A cylinder leakage of 25 percent or less is acceptable.
Compression Testing.
1.
2.
3.
4.
5.
6.
Make sure the battery is fully charged.
Remove the glow plugs from all three cylinders.
Hold the fuel shut off lever in the closed position to stop the fuel delivery during the compression test.
This will prevent wash-down of the cylinders and inaccurate readings.
Crank the engine with the starter motor until you get a stable gauge reading. (4 or 5 pulses)
If the pressure is less than 455 psi (32 kg/cm²) it will be necessary to find the cause of the low compression.
The difference between cylinders should be no more than 36 psi (2.5 kg/cm²).
IMPORTANT: DO NOT put oil into the combustion chamber before performing a compression test.
Damage may result because of hydraulic forces acting upon the piston and the connecting rod.
Notes
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Product Specification
CategoriesLawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals
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- 84 pages
Document TypeCatalog
LanguageEnglish
Product BrandToro. 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
Document File TypePDF
Publishertoro.com
Wikipedia's PageToro Company
CopyrightAttribution Non-commercial
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One thought on “Toro Commercial Products Troubleshooting Guide Groundsmaster 345 325 D 96904SLDEX 1 Product Overview

  1. “Toro Commercial Products Troubleshooting Guide Groundsmaster 345
    325 D 96904SLDEX 1 Product Overview” ended up being
    a fantastic post and also I actually was really joyful to discover it.
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