Grasshopper 718D - User Manual

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

Grasshopper 718D Specifications

General

Brand	Grasshopper
Model	718D
Category	Lawn Mower
Language	English

Summary

Troubleshooting Control Relays

Control Relays for Models 720, 721, 725

Inspection and failure symptoms for control relays on specific models.

Control Relays for Models 718 D, 721 D

Inspection and failure symptoms for control relays on diesel models.

Circuit Board Diode Problems

Open Diode Symptoms

Symptoms of an open diode in the circuit board.

Shorted Diode Symptoms

Symptoms of a shorted diode in the circuit board.

Testing Safety System (Models 612, 614, 616, 718, 718 K, 720 K)

Safety System Operation Notes

Key operational requirements for the safety system.

Testing Safety System (Models 720, 718 D, 721, 721 D, 725)

Safety System Operation Notes (Diesel;Onan)

Key operational requirements for the safety system on specific models.

Battery Charging System (Model 718 Twin-II)

Battery Charging Test Notes

Guidelines for performing battery charging system voltage tests.

Battery Charging System (Models 612, 614, 616, 718 Vanguard, 718 K, 720 K)

Battery Charging Test Notes (Vanguard;Kohler)

Battery Charging System (Model 720 Onan)

Battery Charging Test Notes (Onan)

Battery Charging System (Models 718 D, 721, 721 D, 725 Kubota)

Battery Charging Test Notes (Kubota)

Engine Will Not Crank (Models 612, 614, 616 Briggs & Stratton)

Engine Will Not Crank (Model 718 Briggs & Stratton)

Engine Will Not Crank (Model 718 K Kohler)

Engine Will Not Crank (Models 718 K, 720 K Kohler)

Engine Will Not Crank (Model 720 Onan)

Engine Will Not Crank (Models 718 D, 721, 721 D, 725 Kubota)

Engine Will Crank, But Not Start (All Engines)

Engine Will Crank, But Not Start (Model 720 Onan)

Engine Will Crank, But Not Start (Models 721, 725 Kubota Gasoline)

Engine Will Crank, But Not Start (Models 718 D, 721 D Kubota Diesel)

Engine Starts, But Dies (Models 612, 614, 616, 718)

Troubleshooting Notes for Engine Stalling

Engine Starts, But Dies (Models 718 K, 720 K)

Troubleshooting Notes for Engine Stalling (718 K;720 K)

Engine Starts, But Dies (Model 720 Onan)

Troubleshooting Notes for Engine Stalling (720 Onan)

Engine Starts, But Dies (Models 718 D, 721, 721 D, 725 Kubota)

Troubleshooting Notes for Engine Stalling (Kubota)

Engine Starts, But Dies When Key Switch Released (Models 718 D, 721 D)

Troubleshooting PTO Clutch (Models 612, 616, 718, 718 K, 720 K)

PTO Clutch Troubleshooting Notes

Notes for troubleshooting PTO clutch engagement issues.

Troubleshooting PTO Clutch (Models 718 D, 720, 721, 721 D, 725)

PTO Clutch Troubleshooting Notes (Diesel;Gas)

Notes for PTO clutch troubleshooting on diesel and gas models.