THIS MANUAL CONT AINS THE OPERATING
INSTRUCTIONS AND SAFETY INFORMATION FOR YOUR SCAG ACCESSOR Y . READING THIS MANUAL WILL PROVIDE YOU
WITH MAINTENANCE AND ADJUSTMENT
PROCEDURES TO KEEP YOUR ACCESSORY
PERFORMING TO MAXIMUM EFFICIENCY.
THE SPECIFIC MODELS THAT THIS BOOK
COVERS ARE CONTAINED ON THE INSIDE
COVER. BEFORE OPERATING YOUR MACHINE, PLEASE READ ALL THE INFORMATION ENCLOSED.
PART NUMBER 03138
WARNING
FAILURE TO FOLLOW SAFE OPERATING PRACTICES
MAY RESULT IN SERIOUS INJURY.
* Keep all safety shields in place.
* Before performing any maintenance or service, stop the machine and
remove the spark plug wire.
* If a mechanism becomes clogged, stop the engine and wait for all moving
parts to come to a complete halt before cleaning.
* Keep hands, feet and clothing away from power-driven parts.
* Read this manual completely as well as the Operator's Manual that came
with your mower .
* Keep others off the tractor (only one person at a time).
REMEMBER - YOUR MOWER IS ONLY AS SAFE AS THE OPERATOR!
Hazard control and accident prevention are dependent upon the awareness,
concern, prudence, and proper training of the personnel involved in the operation, transport, maintenance, and storage of the equipment.
This manual covers the operating instructions
and illustrated parts list for:
GC-STT-52 with a serial number of 9510001 to 9519999
GC-STT-61 with a serial number of 9520001 to 9529999
GC-STT-72 with a serial number of 9530001 to 9539999
1.1 INTRODUCTION
This manual has been prepared to provide the
information you need to correctly assemble, operate,
and maintain this grass catcher. Read it carefully and
keep it for future reference.
2.1 SAFETY AND OPERATING
INSTRUCTIONS
-NOTE-
To avoid personal injury, it is imperative that all
safety instructions be observed.
The replacement of any part on this product by other
than the manufacturer's authorized replacement part
may adversely affect the performance, durability or
safety of this product.
USE OF OTHER THAN ORIGINAL SCAG
REPLACEMENT PARTS WILL VOID THE
WARRANTY.
If additional information or service is needed that is
not outlined in this manual, please contact your Scag
Power Equipment dealer. Scag dealers are trained in
the latest service methods and carry a full line of Scag
replacement parts.
When ordering parts, always provide the complete
model and serial number of your catcher.
All information provided in this manual is based upon
information available at the time of printing. Scag
Power Equipment reserves the right to make changes
at any time without notice or obligation.
1.2 DIRECTION REFERENCE
The "Right" and "Left", "Front" and "Rear" of the
machine are referenced from the normal operating
position.
1. Read this operator's manual and the
operator's manual that is supplied with the
machine this attachment is used on.
A replacement manual is available from your
authorized Scag Service Dealer or by contacting:
Scag Power Equipment, Service Department at P.O.
Box 152, Mayville, WI 53050. You may also contact
us through our website at www.scag.com. Please
indicate the complete model and serial number of
your Scag product when ordering a replacement
manual.
2. Before removing the grass bags, disengage the
mower, stop the engine and wait for all
movement to stop.
3. ALWAYS turn the engine OFF, remove the key
and wait for all movement to stop before
servicing or cleaning the mower or the grass
catcher.
4. Do not modify or alter any component of the
grass catcher attachment or mower.
5. Do not allow any passengers to ride on the grass
catcher attachment or on the mower.
1
3.1 ASSEMBLY INSTRUCTIONS FOR 52"
CUTTER DECKS
-NOTE-
Use the illustrated parts list as a part
number reference when following the
assembly instructions.
3. When installing this grass catcher on a machine
with a serial number below 8619999, you will
need to remove the discharge baffle from the
bottom of the cutter deck. See Figure 3-2.
Replace the discharge baffle with the new baffle
provided with this grass catcher. Secure using
the following hardware:
1. Remove all packaging materials. Lay out the
mounting hardware and the catcher assembly
parts for easy access. Prepare the work area
making sure that it is a clean, safe environment.
2. Remove the discharge chute from the cutter
deck. See Figure 3-1.
INSTALL PULLEY
ON RH SPINDLE SHAFT ON TOP OF EXISTING
REMOVE DISCHARGE
CHUTE AND
HARDWARE
REMOVE (2)
U-NUTS
SPINDLE DRIVE
PULLEY
REMOVE EXISTING
RT. SIDE BELT
COVER
RIGHT SIDE OF 52"
CUTTER DECK SHOWN
(Note: Some parts not shown for viewing purposes.)
FIGURE 3-1
-NOTE-
Do not discard the discharge chute or
mounting hardware. The discharge chute
MUST be reinstalled anytime the grass
catcher has been removed from the
machine.
(1) 04001-12 Hex Head Bolt 5/16-18 x 1-3/4"
(1) 04001-09 Hex Head Bolt 5/16-18 x 1"
(3) 04040-15 Flatwasher
(3) 04021-10 Nut, Elastic Stop 5/16-18
When installing this grass catcher on an
Advantage deck, install the front baffle to the
cutter deck. See Figure 3-2. Secure using the
following hardware:
(2) 04017-05 Bolt, Hex Head 1/4-20 x 3/4"
(2) 04019-02 Nut, Serrated Flange 1/4-20
(2) 04003-23 Bolt, Carriage 3/8-16 x 1"
(2) 04041-07 Flatwasher
(2) 04021-09 Nut, Elastic Stop 3/8-16
04017-05
04021-09
04001-09
04040-15
04021-10
04041-07
Discharge
Baffle
04019-02
04003-23
04021-09
04041-07
FIGURE 3-2
4. Remove the right side belt cover to gain access
to the spindle assembly. Remove the u-nuts
from the front and rear of the cutter deck
bracket. See Figure 3-1.
5. Install the grass catcher pulley onto the spindle
assembly. Apply loctite to both pulley setscrews
and tighten. See Figure 3-1.
2
SPACER
BOLT, 3/8-16
x 1-1/4"
LIFT LINK
BELL CRANK
SPACER
NUT
CUTTER DECK
NUT
BOLT, 3/8-16
x 1-1/2"
WASHER
REAR OF
CUTTER DECK
ELASTIC
STOP NUTS
LOCK
WASHERS
CATCH
PLATE
DISCHARGE CHUTE OPENING
VIEW FROM RIGHT SIDE
OF CUTTER DECK
FIGURE 3-3
PROPERLY
SERVICE
ENGINE
WITH
CARRIAGE
BOLTS
OIL
AND
FUEL.
FRONT OF
CUTTER DECK
Figure 2-52"GC-STT install art
BLOWER
ASSEMBLY
HAIR
PIN
MOUNTING
POST
PIN
HEX HEAD
BOLT
ELASTIC
STOP NUTS
AND LOCK
WASHERS
HEX HEAD
BOLT
GC-STT install art 3
RIGHT SIDE OF 52"
CUTTER DECK SHOWN
(Note: Some parts not shown for viewing purposes.)
FIGURE 3-4
3
6. Install the blower mounting bracket to the deck
using 1/2-13 x 1-1/2" hex head bolts (p/n 04001-
71), 1/2" spring lockwashers (p/n 04030-06), and
1/2-13 elastic stop nuts (p/n 04021-07). See
Figure 3-3, Page 3. Do not fully tighten the
hardware at this time.
7. Block the right front side on the cutter deck and
remove the hang chain. Install the deck lift link.
Secure using hex head bolts (p/n 04001-32,
04001-20), flatwashers (p/n 04041-07), spacers
(p/n 43212), and serrated flange nuts (p/n 04019-
04). See Figure 3-3.
8. Install the new belt cover from the cutter deck to
the blower mounting bracket and secure with
one of the original belt cover plastic wing nuts.
9. Install the catch plate (p/n 423297) to the blower
assembly using 3/8-16 x 1-1/4" carriage bolts
(p/n 04003-11) facing upward. Secure with 3/8"
spring lockwashers (p/n 04030-04) and 3/8-16
elastic stop nuts (p/n 04021-09). Do not fully
tighten the hardware at this time.
13. Install the plastic belt cover and secure with the
plastic wing nuts. See Page 18 of the Illustrated
Parts List for proper installation.
14. Install the hopper mounting brackets (p/n 451512)
to the outside of the frame on the rear of the
machine using 3/8-16 x 1" hex head bolts
(p/n 04001-19) and 3/8-16 elastic stop nuts (p/n
04021-09). See Figure 5-6, Page 13.
15. Install the hopper hood assembly onto the catcher
frame assembly and secure with 3/8-16 x 2-1/4"
hex head bolts (p/n 04001-46) and 3/8-16 elastic
stop nuts (p/n 04021-09) in the mounting holes.
See Figure 5-6, Page 13.
16. Install the catcher support bracket onto the rear of
the machine and secure with 5/16-18 x 1" carriage
bolts (p/n 04003-04) and 5/16-18 serrated flange
nuts (p/n 04019-03) See Figure 3-5.
Catcher Support Bracket
10. Install the blower assembly to the mounting
bracket and secure with the mounting pin. See
Figure 3-4, Page 3.
11. Align the blower assembly with the discharge
opening of the cutter deck. Tighten the
hardware for the mounting bracket. Then
tighten the hardware for the catch plate.
12. Install the belt to the spindle pulley. When
replacing the belt, see figure below.
BACK SIDE
IDLER PULLEY
FRONT SIDE
IDLER PULLEY
BLOWER
PULLEY
SPINDLE
PULLEY
FIGURE 3-5
17. Install the heat shield to the hopper hood
assembly and catcher frame assembly. Secure
using the hardware specified in Figure 5-6, Page
13.
18. Install adapter (p/n 461419) to the blower
assembly and secure with the strap.
4
19. Install the hose from the blower assembly to the
hopper hood. Secure using the 8-1/2" clamps.
-NOTE-
When installing this catcher on machines
equipped with an air cooled engine the
discharge hose should be shortened to
56" in length.
20. Install the bag assemblies.
21. Install the weight support bar to the front of the
machine by resting it directly on top of the caster
support arms and sliding it tight against the frame
of the machine. Secure the weight bar to the
machine using (2) bar clamps, (4) 3/8-16 x 1-1/2"
bolts and (4) 3/8-16 elastic stop nuts. See Figure
3-6.
22. Install the weight assemblies to the weight
support bar and secure them to the bar using the
1/2"x 6-1/4" pin and lanyard. See Figure 3-6.
ELASTIC STOP
NUT
BAR CLAMP
WEIGHT SUPPORT BAR
FIGURE 3-6
23. Operate and test.
WEIGHT (5x)
LANYARD
PIN
BOLT
2002 GC-STT Install Art 3-5
5
4.1 ASSEMBLY INSTRUCTIONS FOR 61"
CUTTER DECKS
-NOTE-
Use the illustrated parts list as a part
number reference when following the
assembly instructions.
3. When installing this grass catcher on a machine
with a serial number below 8619999, you will
need to remove the discharge baffle from the
bottom of the cutter deck. See Figure 4-2.
Replace the discharge baffle with the new baffle
provided with this grass catcher. Secure using
the following hardware:
1. Remove all packaging materials. Lay out the
mounting hardware and the catcher assembly
parts for easy access. Prepare the work area
making sure that it is a clean, safe environment.
2. Remove the discharge chute from the cutter
deck. See Figure 4-1.
INSTALL PULLEY
ON RH SPINDLE SHAFT ON TOP OF EXISTING
REMOVE DISCHARGE
CHUTE AND
HARDWARE
REMOVE (2)
U-NUTS
SPINDLE DRIVE
PULLEY
RIGHT SIDE OF
REMOVE EXISTING
RT. SIDE BELT
COVER
CUTTER DECK SHOWN
(Note: Some parts not shown for viewing purposes.)
FIGURE 4-1
-NOTE-
Do not discard the discharge chute or
mounting hardware. The discharge chute
MUST be reinstalled anytime the grass
catcher has been removed from the
machine.
(1) 04001-12 Hex Head Bolt 5/16-18 x 1-3/4"
(1) 04001-09 Hex Head Bolt 5/16-18 x 1"
(3) 04040-15 Flatwasher
(3) 04021-10 Nut, Elastic Stop 5/16-18
When installing this grass catcher on an
Advantage deck, install the front baffle to the
cutter deck. See Figure 4-2. Secure using the
following hardware:
(2) 04017-05 Bolt, Hex Head 1/4-20 x 3/4"
(2) 04019-02 Nut, Serrated Flange 1/4-20
(2) 04003-23 Bolt, Carriage 3/8-16 x 1"
(2) 04041-07 Flatwasher
(2) 04021-09 Nut, Elastic Stop 3/8-16
04017-05
04021-09
04001-09
04040-15
04021-10
04041-07
Discharge
Baffle
04019-02
04003-23
04021-09
04041-07
FIGURE 4-2
4. Remove the right side belt cover to gain access
to the spindle assembly. Remove the two front
u-nuts from the cutter deck bracket. See Figure
4-1.
5. Install the grass catcher pulley onto the spindle
assembly. Apply loctite to both pulley setscrews
and tighten. See Figure 4-1.
6
REAR OF
CUTTER DECK
DISCHARGE CHUTE OPENING
VIEW FROM RIGHT SIDE
OF CUTTER DECK
FIGURE 4-3
FRONT OF
CUTTER DECK
Figure 2-61"GC-STT install art
ELASTIC
STOP NUTS
LOCK
WASHERS
CATCH
PLATE
CARRIAGE
BOLTS
HEX HEAD
BOLTS
PROPERLY
SERVICE
ENGINE
WITH
OIL
AND
FUEL.
BLOWER
ASSEMBLY
HAIR
PIN
MOUNTING
POST
PIN
ELASTIC
STOP NUTS
AND LOCK
WASHERS
RIGHT SIDE OF
CUTTER DECK SHOWN
GC-STT install art 3
(Note: Some parts not shown for viewing purposes.)
FIGURE 4-4
7
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