Loader Bobcat 773. Service Manual — part 71
BATTERY FEED 1000-1999 RED, RED/WHT, RNG
GROUND 2000-2999 BLK
MONITORING 3000-3999 LBL
HYDRAULIC 4000-4999 LGN
ATTACHMENT CONTROLS 5000-5999 YEL
LIGHTS 6000-6999 PNK
ACCESSORIES 7000-7999 WHT
ENGINE 8000-8999 TAN
COMMUNICATION 9000-9999 PUR
WIRES CONNECT BY LETTER
ACROSS CONNECTORS
A
B
B
A
RED = RED
RNG = ORANGE
BLK = BLACK
LBL = LIGHT BLUE
DBL = DARK BLUE
LGN = LIGHT GREEN
DGN = DARK GREEN
YEL = YELLOW
PNK = PINK
WHT = WHITE
BRN = BROWN
TAN = TAN
PUR = PURPLE
GRY = GRAY
SOME CONNECTOR
BODIES NOT SHOWN
FOR DRAWING CLARITY
V-0112 (6-15-01)
Printed in U.S.A.
ADVANCED HAND CONTROL
(WITH FLOAT BUTTON) -
RIGHT STEERING LEVER - 6675748 and
LEFT STEERING LEVER - 6675747
A
B
H
G
C
F
E
D
A
B
H
G
C
F
E
D
RNG
RNG/DBL
BRN
DGN
YEL
BRN/BLK
BRN/DGN
BRN/RED
WHT
WHT/RED
WHT/BLK
PWM
C
E
D
RIGHT HANDLE
DGN
PNK/DGN
PNK/BLK
PNK/RED
TWO
SPEED/
WATER KIT
F
G
B
H
DETENT
C
B
A
RNG
WHT/LGN
LGN
D
YEL
TILT
CONTROL
E
F
SKI
CONTROL
RNG/WHT
A
TURN
SIGNAL
YEL
DGN
BRN
LEFT HANDLE
A
B
A
C
F
H
G
BLK/WHT
PUR/WHT
RED/WHT
LIFT
CONTROL
PUR
FLOAT
SIGNAL
HORN
BLK
D
E
RED
TAN
PNK
PADDLE
MOMENTARY
B
C
RNG
A
AHC DIAGNOSTIC LED
RNG/BLK
A
B
YEL/RED
LIFT
TILT
DBL
A
B
WHT
SKI
CONTROL
C
6
3
1
C
4
3
7
C
4
0
6
o
r
C
4
5
7
C
4
4
0
C
4
3
9
C
4
4
1
C
6
3
1
C
4
3
8
C
6
3
0
TO FLOAT BUTTON
(THIS SHEET)
TO ATTACHMENT
TO JUMPER (THIS SHEET)
TO CONTROLS
TO LEFT HANDLE
(THIS SHEET)
TO CONTROLS
OR TO
ATTACHMENT
C406
C457
TO CONTROLS
TO CONTROLS
TO ATTACHMENT
ADVANCED HAND CONTROL
F SERIES JUMPER
HARNESS - 6728741 or 6730272
ADVANCED HAND CONTROL
F SERIES FLOAT BUTTON
HARNESS - 6727327
C
6
3
0
C
4
3
4
A
B
PUR
A
TO AHC
CONTROLS
TO LEFT HANDLE
(THIS SHEET)
-
+
OPTIONS
773 - WIRING SCHEMATIC
S/N 509635001 AND ABOVE
S/N 509616001-34999
(PRINTED JUNE 2001)
V-0112
TROUBLESHOOTING
Chart
The following troubleshooting chart is provided for
assistance in locating and correcting problems. Many of
the recommended procedures must be done by
authorized Bobcat Service Personnel only.
1.
Alternator belt is loose or damaged.
2.
Battery connections are dirty or loose.
3.
Battery is damaged.
4.
The ground connection is not making a good contact.
5.
The alternator is damaged.
6.
The engine is locked.
7.
The starter is damaged.
8.
The wiring or the solenoid is damaged.
9.
Check the fuses.
PROBLEM
CAUSE
Battery will not take a charge.
1, 2, 3, 4, 5
Alternator will not charge.
1, 2, 5
Starter will not turn the engine.
2, 3, 4, 6, 7, 8, 9
KEY TO CORRECT THE CAUSE
Instructions are necessary before operating or
servicing machine. Read and understand the
Operation & Maintenance Manual, Handbook
and signs (decals) on machine. Follow
warnings and instructions in the manuals when
making repairs, adjustments or servicing.
Check for correct function after adjustments,
repairs or service. Untrained operators and
failure to follow instructions can cause injury
or death.
W–2003–0199
Revised Jan. 99
Revised June 01
773 BICS Loader
–6–3–
Service Manual
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