Parts Manual MODEL 520SP — 20” CUT, SELF-PROPELLED MULCHING MOWER Mfg. No. Description 1692318 Model 520SP, 5Hp, 20” Cut Mulching Mower, Self Propelled Rev.
MANUFACTURING, INC. 500 N Spring Street / PO Box 997 Port Washington, WI 53074-0997 USA © Copyright 1993 Simplicity Manufacturing, Inc. All Rights Reserved. Printed In USA.
All Components The above parts group applies to the following Mfg. Nos.: 1692318 5HP, 20” Cut Mulching Mower, SP © Copyright 1997 Simplicity Manufacturing, Inc. All Rights Reserved.
All Components REF NO.
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Hardware Identification & Torque Specifications Common Hardware Types Torque Specification Chart Hex Head Capscrew FOR STANDARD MACHINE HARDWARE (Tolerance ± 20%) Washer Hardware Grade Lockwasher Carriage Bolt No Marks SAE Grade 2 Hex Nut Size Of Hardware Standard Hardware Sizing 8-32 8-36 10-24 10-32 1/4-20 1/4-28 5/16-18 5/16-24 3/8-16 3/8-24 7/16-14 7/16-20 1/2-13 1/2-20 9/16-12 9/16-18 5/8-11 5/8-18 3/4-10 3/4-16 7/8-9 7/8-14 1-8 1-12 When a washer or nut is identified as 1/2”, this is the
