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718D
Grasshopper 718D User Manual
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44
1994 SUPPLEMENT
Figure 44
-
+
CL
U
TCH
RD
IN R
UN P
O
S
IT
ION
PTO ON
PTO
SWI
TC
H
KE
Y
SWI
TC
H
BK
BR
BR
GR
PTO
FU
SE
M
B
S
G
L
MODEL 612, 616, 718K and 720K - Clutch Circuit.
Serial numbers of 340725 and higher,
refer to page 40 for troubleshooting.
Figure 45
+
-
PTO
FUSE
TO SA
F
ETY
SWI
TC
H
ES
RELAY
A
CL
U
TCH
RD
IN R
UN P
O
S
IT
ION
PTO
SWI
TC
H
KE
Y
SWI
TC
H
BK
BR
GR
MA
IN
FU
S
E
PTO ON
RD
RD
RD
YE
BR
17
30
19
50
AC
MODEL 721, 721D and 725 - Clutch Circuit.
Serial numbers of 340725 and higher,
refer to page 41 for troubleshooting.
43
45
Table of Contents
Service Manual
1
Introduction
2
Table of Contents
3
Symbols Used on Wiring Diagrams
5
Switch Functions
6
Switch Functions
7
Troubleshooting Control Relays
8
Model 720, 721, and 725
8
Model 718D and 721D
8
Control Relay - Model 720, 718D, 721, 721D, and 725
9
Circuit Board Diode Problems - Model 720, 718D, 721, 721D, and 725
9
Fuse Block Diagrams
10
Testing Safety System for Proper Operation
11
Model 612, 614, 616, 718, 718K and 720K
11
Model 720 (Onan), 718D, 721D, 721 and 725
12
Battery Charging System
13
Model 718 (Briggs & Stratton Twin-II Engine)
13
Model 718K and 720K (Kohler Magnum & Command Engines)
14
Model 720 (Onan Engine)
15
Model 718D, 721, 721D, and 725 (All Kubota Engines)
16
Engine will Not Crank
18
Model 612, 614, and 616 (Briggs & Stratton Engines)
18
Engine will Not Crank
19
Model 718 (Briggs & Stratton Vanguard Engines)
20
Engine will Not Crank
20
Engine will Not Crank
21
Model 718K (Kohler Magnum Engine)
22
Engine will Not Crank
22
Engine will Not Crank
23
Model 718K and 720K (Kohler Command Engines)
24
Engine will Not Crank
25
Model 720 (Onan Engine)
26
Engine will Not Crank
26
Model 718D, 721, 721D, and 725 (All Kubota Engines)
28
Engine will Not Crank
28
Engine will Not Crank
29
Engine will Crank, but Not Start
30
Model 612, 614, 616, 718, 718K, and 720K (All Engines)
30
Model 720 (Onan Engine)
31
Model 721 and 725 (Kubota Gasoline Engines)
32
Model 718D and 721D (Kubota Diesel Engines)
33
Engine Starts, but dies
34
When Levers Are Brought in or Pto Switch Is Engaged
34
Model 612, 614, 616 and 718
34
Model 718K and 720K
35
Model 720 (Onan Engine)
36
MODEL 718D, 721, 721D and 725 (All Kubota Engines)
37
Engine Starts, but dies When Key Switch Is Released
38
Model 718D and 721D (Kubota Diesel Engines)
38
Troubleshooting Pto Clutch
40
Model 612, 614, 616, 718, 718K and 720K
40
Model 718D, 720, 721, 721D and 725
41
1994 Model Updates
42
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Grasshopper 718D Specifications
General
Brand
Grasshopper
Model
718D
Category
Lawn Mower
Language
English
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