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Grasshopper 721 - User Manual

Grasshopper 721
48 pages
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THE GRASSHOPPER COMPANY
Moundridge, Kansas 67107 U.S.A.
PHONE (620) 345-8621
FAX (620) 345-2301
PRICE $12.00
ALL MODELS WITH MODULAR WIRING
SERIAL NUMBERS 310000 THROUGH 469999
Rev. 01-95
Form 172110
Printed in U.S.A.
SERVICE MANUAL
E
LECTRICAL TROUBLESHOOTING
VOLUME 1

Table of Contents

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Grasshopper 721 Specifications

General IconGeneral
TransmissionHydrostatic
Drive2WD
Cutting Width61 in (155 cm)
Deck MaterialSteel
Warranty3 years

Summary

Switch Functions

Troubleshooting Control Relays

Testing Safety System for Proper Operation

Battery Charging System

Engine Will Not Crank

Model 612, 614 and 616 (Briggs & Stratton engines)

Troubleshooting flowchart for engine not cranking on models 612-616.

Notes on Engine Cranking

References to wiring diagrams and serial numbers.

Engine Will Crank, But Not Start

Models 612, 614, 616, 718, 718 K, and 720 K (All engines)

Troubleshooting flowchart for engine not starting after cranking.

Engine Starts, But Dies

Models 612, 614, 616 and 718

Troubleshooting steps for engine dying when levers are engaged.

Engine Starts, But Dies When Key Switch Is Released

Models 718 D and 721 D (Kubota diesel engines)

Troubleshooting PTO Clutch

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