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Atco 'Oval Frame' Motor Mower. Atco Standard. Atco Standard Parts. Senspray Atco 12" De Luxe. Atco Atco and Atco IB36H. Atco IB71H.
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Atco HDVilliers. Atco 30" 'Standard' Motor Mower Villiers. Atco Commodore BBB Atco Lawn Sweeper Atco Lawn Tractor. Dennis Z Type. Dennis Z. Drummond Willing Worker. Willing Worker. Flymo Flymo L Flymo L38 and L Flymo LL47 User Manual Folbate A1.
Folbate J2. Greens Monitor. Greens Zephyr. TG43 Greens Zephyr. JP 11" Minor. JP 11" Minor Mk2. JP 12" Major. JP 12" Maxees. JP 12" Maxees Mk3. JP Maxees Mk JP 12" Monarch. JP Monarch. JP 12" Super. JP 14" Maxees Mk3. JP 14" Monarch.
JP 14" Super. JP 16" Super. JP 16" Super Power Mower. JP Matchless. JP Minimower. JP Minimower JP Simplees. JP Sports Green. JP Super Electric Model. Qualcast B1. Qualcast Commodore Series D-H. Qualcast Model E. Qualcast Model E1. Qualcast Panther. Lash adjusters are designed to eliminate excess valve train clearance for various overhead cam designs. Our flat tappets are guaranteed to have the correct hardness. We have all the latest designs. Our Push Rods are being stocked in nitrided finish for improved surface finish and rust preventative.
Lengths are stamped on the push rod. QualCast stocks cast and stamped rocker arms with heat treatment. We also keep rocker kits, studs, balls, pivots and nuts. Materials: All valve guides are individually cast in gray iron. Where required certain alloying materials such as chromium, molybdenum or nickel may be added. All guides meet or exceed OE material specifications. Materials Our Premium Materials are stamped or machined to exacting tolerances. For extra long life, our finishes include zinc with green or yellow flash coating , copper, and black oxide.
We only offer heat treated keepers where others offer a choice. Alloys "Q" Series: Our high-chrome alloy designed for unleaded fuels which enables Rockwell Rc40 hardness combined with easy machinability. All and prefixes without a suffix are cast in Q material. Denoted by the suffix "N". A cobalt-based alloy used in a very limited range of specialized applications where additional abrasion resistance is necessary. Rockwell Rc 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 "" Prefix: The 4-digit part number is the cutter size. Actual O. Materials: Serrated Steel keeps springs from walking. Made in the USA! QualCast springs are made from super clean carbon steel wire non-metallic particles can reduce steel strength. We also use chrome, chrome vanadium, or AS, depending on the application.
Engineered Features Single Spring Design - ground flat on top and bottom for straightness and shot-peaned for heat-related fatigue resistance. Spring With Damper - A flat ribbon damper on the inside diameter of the spring reduces spring "bounce" and "surge". We identify springs with dampers by the part number suffix "-D".
Double Spring Design - Many heavy duty applications have an inner and outer spring; the double springs give additional strength pressure to seat the valve. Materials: A variety of alloys to suit all applications. These include carbon steel, martensitic steel with chrome and silicon, stainless martensitic, stainless austenitic, Inconel and Nimonic. Engineered Features: One-piece construction for most applications.
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