Qualcast Strimmer Manual Petrol
Covid-19 Update: We are open 08.30-17.00 Monday-Friday.Limited number of people allowed in the showroom & masks must be worn to enter. Qualcast petrol strimmer repair manual. Percentage Discount Qualcast Spares Parts Ordering Diagrams Qualcast Spares and Spare Parts listed and ready to order online. This page lists Spares and Spare Parts Diagrams for Qualcast Machines, the easy way to order your spares online. 'Important' Please click on the correct Typ Number for your. QualCast, LLC was founded in 1997 in Nashville, Tennessee. The primary objective of QualCast was, and is, to provide the engine parts aftermarket with the best quality products available in the world, at competitive prices, through the best service and most efficient distribution system.
Alloys 'Q' Series:
Our high-chrome alloy designed for unleaded fuels which enables Rockwell Rc40 hardness combined with easy machinability.
Features excellent resistance to high temperature corrosion in applications to 1150°F. All 20- and 21- prefixes without a suffix are cast in Q material.
'N' Series:
Our austenitic (non-magnetic) nickel-based alloy designed for natural gas, LPG, propane, and other extreme heat applications.
Denoted by the suffix 'N'. Rockwell Rc45 and hot hardness to 1600°F.
'S' Series:
Our stellite series. A cobalt-based alloy used in a very limited range of specialized applications where additional abrasion resistance is necessary. Rockwell Rc53. Denoted by the suffix 'S'.
Engineered Advantages:
Q, N, and S series inserts are individually cast and have a true radius on the lead-in edge to facilitate the press fit. Also, all seats have a fully finished inside diameter to assist gas flow and swirl.
Sizes
'20-' Prefix: The 4-digit part number is the cutter size. 1562 = 1.562' or 1-9/16' cutter. Actual O.D. of the seat is increased by the press fit for cast iron heads - between 0.0045 and 0.006 inches.
'21-' Prefix: The 4-digit part number is the cutter size as above. Actual O.D. of the seat is increased by the press fit for aluminum heads - 0.007 inches.
'22-' Prefix: The 4-digit part number is the actual O.D. 2006 = 2.006 inches.
Qualcast engine manual
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