Scag Power Equipment Lawn Mower GC STT User Guide

MODEL GC-STT  
THIS MANUALCONTAINS THE OPERATING  
INSTRUCTIONS AND SAFETY INFORMA-  
TION FORYOUR SCAGACCESSORY. READ-  
ING THIS MANUAL WILL PROVIDE YOU  
WITH MAINTENANCE AND ADJUSTMENT  
PROCEDURES TO KEEPYOURACCESSORY  
PERFORMING TO MAXIMUM EFFICIENCY.  
THE SPECIFIC MODELS THAT THIS BOOK  
COVERS ARE CONTAINED ON THE INSIDE  
COVER. BEFORE OPERATING YOUR MA-  
CHINE, PLEASE READ ALL THE INFORMA-  
TION ENCLOSED.  
PART NUMBER 03138  
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2.1 SAFETY AND OPERATING  
INSTRUCTIONS  
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.  
-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.  
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  
indicate the complete model and serial number of  
your Scag product when ordering a replacement  
manual.  
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.  
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.  
1.2 DIRECTION REFERENCE  
The "Right" and "Left", "Front" and "Rear" of the  
machine are referenced from the normal operating  
position.  
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
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3.1 ASSEMBLY INSTRUCTIONS FOR 52"  
CUTTER DECKS  
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  
thefollowinghardware:  
-NOTE-  
Use the illustrated parts list as a part  
number reference when following the  
assembly instructions.  
(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  
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.  
(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  
followinghardware:  
2. Remove the discharge chute from the cutter  
deck. See Figure 3-1.  
INSTALL PULLEY  
ON RH SPINDLE SHAFT -  
ON TOP OF EXISTING  
SPINDLE DRIVE  
(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  
REMOVE DISCHARGE  
CHUTE AND  
HARDWARE  
REMOVE EXISTING  
RT. SIDE BELT  
COVER  
PULLEY  
(2) 04021-09 Nut, Elastic Stop 3/8-16  
04019-02  
04003-23  
REMOVE (2)  
U-NUTS  
RIGHT SIDE OF 52"  
04017-05  
CUTTER DECK SHOWN  
04021-09  
(Note: Some parts not shown for viewing purposes.)  
04021-09  
04041-07  
FIGURE 3-1  
04041-07  
Discharge  
Baffle  
-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.  
04001-09  
04040-15  
04021-10  
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
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LIFT LINK  
BELL CRANK  
NUT  
SPACER  
BOLT, 3/8-16  
x 1-1/4"  
BOLT, 3/8-16  
x 1-1/2"  
WASHER  
SPACER  
NUT  
CUTTER DECK  
REAR OF  
FRONT OF  
CUTTER DECK  
CUTTER DECK  
DISCHARGE CHUTE OPENING  
VIEW FROM RIGHT SIDE  
OF CUTTER DECK  
Figure 2-52"GC-STT install art  
FIGURE 3-3  
BLOWER  
ASSEMBLY  
ELASTIC  
STOP NUTS  
HAIR  
PIN  
LOCK  
WASHERS  
MOUNTING  
POST  
PIN  
PROPERYL  
SECREVI  
ENGEI  
WTHI  
OLI  
CATCH  
PLATE  
HEX HEAD  
BOLT  
ELASTIC  
STOP NUTS  
AND LOCK  
WASHERS  
CARRIAGE  
BOLTS  
AND  
FUEL.  
HEX HEAD  
BOLT  
RIGHT SIDE OF 52"  
CUTTER DECK SHOWN  
(Note: Some parts not shown for viewing purposes.)  
GC-STT install art 3  
FIGURE 3-4  
3
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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.  
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.  
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.  
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.  
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.  
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.  
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.  
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.  
FIGURE 3-5  
BACK SIDE  
IDLER PULLEY  
BLOWER  
PULLEY  
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.  
SPINDLE  
PULLEY  
FRONT SIDE  
IDLER PULLEY  
4
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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.  
WEIGHT (5x)  
LANYARD  
PIN  
ELASTIC STOP  
NUT  
BAR CLAMP  
BOLT  
WEIGHT SUPPORT BAR  
2002 GC-STT Install Art 3-5  
FIGURE 3-6  
23. Operate and test.  
5
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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  
thefollowinghardware:  
4.1 ASSEMBLY INSTRUCTIONS FOR 61"  
CUTTER DECKS  
-NOTE-  
Use the illustrated parts list as a part  
number reference when following the  
assembly instructions.  
(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  
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.  
(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  
followinghardware:  
2. Remove the discharge chute from the cutter  
deck. See Figure 4-1.  
INSTALL PULLEY  
ON RH SPINDLE SHAFT -  
ON TOP OF EXISTING  
SPINDLE DRIVE  
(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  
REMOVE DISCHARGE  
CHUTE AND  
HARDWARE  
REMOVE EXISTING  
RT. SIDE BELT  
COVER  
PULLEY  
(2) 04021-09 Nut, Elastic Stop 3/8-16  
04019-02  
04003-23  
REMOVE (2)  
U-NUTS  
04017-05  
RIGHT SIDE OF  
04021-09  
CUTTER DECK SHOWN  
(Note: Some parts not shown for viewing purposes.)  
04021-09  
04041-07  
FIGURE 4-1  
04041-07  
Discharge  
Baffle  
-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.  
04001-09  
04040-15  
04021-10  
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
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REAR OF  
FRONT OF  
CUTTER DECK  
CUTTER DECK  
DISCHARGE CHUTE OPENING  
VIEW FROM RIGHT SIDE  
OF CUTTER DECK  
Figure 2-61"GC-STT install art  
FIGURE 4-3  
BLOWER  
ASSEMBLY  
ELASTIC  
STOP NUTS  
HAIR  
PIN  
MOUNTING  
POST  
LOCK  
WASHERS  
PIN  
ELASTIC  
STOP NUTS  
AND LOCK  
WASHERS  
PROPERYL  
SECREVI  
ENGEI  
WTHI  
OLI  
AND  
FUEL.  
CATCH  
PLATE  
CARRIAGE  
BOLTS  
HEX HEAD  
BOLTS  
RIGHT SIDE OF  
CUTTER DECK SHOWN  
(Note: Some parts not shown for viewing purposes.)  
GC-STT install art 3  
FIGURE 4-4  
7
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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 4-3, Page 7. Do not fully tighten the  
hardware at this time.  
13. 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)  
See Figure 5-6, Page 13.  
7. 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. See Figure 4-4,  
Page 7. 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.  
14. 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 4-5.  
Catcher Support Bracket  
8. Install the blower assembly to the mounting  
bracket and secure with the mounting pin. See  
Figure 4-4, Page 7.  
9. 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.  
10. Install the belt to the spindle pulley. When  
replacing the belt, see figure below.  
BACK SIDE  
IDLER PULLEY  
BLOWER  
PULLEY  
FIGURE 4-5  
15. Install the heat shield to the hopper hood  
assembly and catcher frame assembly. Secure  
using the hardware specified in Figure 5-6, Page  
13.  
16. Install the catcher frame assembly onto the rear  
of the machine and secure with the quick pins  
(p/n 04066-03) See Figure 5-6, Page 13.  
SPINDLE  
PULLEY  
FRONT SIDE  
IDLER PULLEY  
17. Install adapter (p/n 461419) to the blower  
assembly and secure with the strap.  
11. Install the new belt covers and secure with the  
plastic wing nuts. See Page 18 of the Illustrated  
Parts List for proper installation.  
12. 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.  
8
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5.1 ASSEMBLY INSTRUCTIONS FOR 72"  
CUTTER DECKS  
18. Install the hose from the blower assembly to the  
hopper hood. Secure using the 8-1/2" clamps.  
-NOTE-  
-NOTE-  
When installing this catcher on machines  
equipped with an air cooled engine the  
discharge hose should be shortened to  
56" in length.  
Use the illustrated parts list as a part  
number reference when following the  
assembly instructions.  
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.  
19. Install the bag assemblies.  
20. 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  
4-6.  
2. Remove the discharge chute from the cutter  
deck. See Figure 5-1.  
INSTALL PULLEY  
ON RH SPINDLE SHAFT -  
ON TOP OF EXISTING  
SPINDLE DRIVE  
PULLEY  
REMOVE DISCHARGE  
CHUTE AND  
HARDWARE  
REMOVE EXISTING  
RT. SIDE BELT  
COVER  
21. 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 4-6.  
WEIGHT (5x)  
REMOVE (2)  
U-NUTS  
RIGHT SIDE OF  
CUTTER DECK SHOWN  
(Note: Some parts not shown for viewing purposes.)  
LANYARD  
PIN  
ELASTIC STOP  
NUT  
FIGURE 5-1  
BAR CLAMP  
-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.  
BOLT  
WEIGHT SUPPORT BAR  
2002 GC-STT Install Art 3-5  
FIGURE 4-6  
22. Operate and test.  
WARNING  
DO NOT OPERATE WITHOUT DISCHARGE CHUTE, MULCHING  
KIT, OR ENTIRE GRASS CATCHER INSTALLED  
9
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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 5-3, Page 11. Do not fully tighten the  
hardware at this time.  
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 5-2.  
Replace the discharge baffle with the new baffle  
provided with this grass catcher. Secure using  
thefollowinghardware:  
7. 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.  
(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  
8. 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. See Figure  
5-3, Page 11. Secure with 3/8" spring  
(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 5-2. Secure using the  
followinghardware:  
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.  
(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  
9. Install the blower assembly to the mounting  
bracket and secure with the mounting pin and  
large hair pin. See Figure 5-3, Page 11.  
(2) 04021-09 Nut, Elastic Stop 3/8-16  
10. 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.  
04019-02  
04003-23  
04017-05  
04021-09  
11. Install the belt to the spindle pulley. When  
replacing the belt, see figure below.  
04021-09  
04041-07  
04041-07  
Discharge  
Baffle  
BACK SIDE  
IDLER PULLEY  
BLOWER  
PULLEY  
04001-09  
04040-15  
04021-10  
FIGURE 5-2  
SPINDLE  
PULLEY  
FRONT SIDE  
IDLER PULLEY  
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  
5-1, Page 9.  
5. Install the grass catcher pulley onto the spindle  
assembly. Apply loctite to both pulley setscrews  
and tighten. See Figure 5-1.  
10  
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BLOWER  
ASSEMBLY  
ELASTIC  
STOP NUTS  
HAIR  
PIN  
MOUNTING  
POST  
LOCK  
WASHERS  
ELASTIC  
PIN  
STOP NUTS  
AND LOCK  
WASHERS  
CATCH  
PLATE  
CARRIAGE  
BOLTS  
HEX HEAD  
BOLTS  
RIGHT SIDE OF  
CUTTER DECK SHOWN  
(Note: Some parts not shown for viewing purposes.)  
GC-STT install art 3  
FIGURE 5-3  
11  
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12. Install the plastic belt cover and secure with the  
plastic wing nuts. See Page 18 of the Illustrated  
Parts List for proper installation.  
18. 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.  
13. Install the hopper mounting brackets (p/n 451512  
& p/n 451595) 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.  
19. Install the bag assemblies.  
14. 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  
5-4.  
20. 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  
5-5  
Catcher Support Bracket  
21. 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 5-5.  
WEIGHT (5x)  
FIGURE 5-4  
LANYARD  
PIN  
ELASTIC STOP  
NUT  
15. Install the heat shield to the hopper hood  
assembly and catcher frame assembly. Secure  
using the hardware specified in Figure 5-6, Page  
13.  
BAR CLAMP  
16. Install the catcher frame assembly onto the rear  
of the machine and secure with the quick pins  
(p/n 04066-03) See Figure 5-6, Page 13.  
BOLT  
WEIGHT SUPPORT BAR  
2002 GC-STT Install Art 3-5  
FIGURE 5-5  
17. Install adapter (p/n 461419) to the blower  
assembly and secure with the strap.  
22. Operate and test.  
12  
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Hood Assembly  
4
4
3
4
3
3
1
4
3
4
5
2
6
3
4
5
Catcher Frame  
Heatshield  
1
Liquid  
Cooled  
Only  
8
7
6
Item #  
Part #  
Description  
1
2
3
4
5
6
7
8
04001-46  
04001-19  
04021-09  
04030-04  
04041-07  
04066-03  
423670  
Bolt, Hex Head 3/8-16 x 2-1/4"  
Bolt, Hex Head 3/8-16 x 1"  
Nut, Elastic Stop 3/8-16  
Lockwasher, 3/8 Spring  
Flatwasher, 3/8-.391 x .938 x .105  
Quick Pin  
Spacer, Hitch  
Hitch Bracket Weldment  
451512  
FIGURE 5-6  
13  
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6.1 GRASS CATCHER REMOVAL  
INSTRUCTIONS  
1. Prepare the work area making sure that it is a  
clean, safe environment.  
REMOVE  
2. Remove the bag assemblies from the grass  
catcher.  
3. Remove the rubber strap holding the adapter to  
the blower assembly. See Figure 6-1.  
4. Remove the belt from the spindle pulley.  
REMOVE  
4. Remove the pin holding the blower assembly to  
the mounting bracket on the cutter deck and  
remove the blower assembly. See Figure 6-1.  
Figure 6-2  
ADAPTER  
6. Remove the hood assembly.  
BLOWER  
ASSEMBLY  
MOUNTING  
BRACKET  
PIN  
7. Remove the front weights by removing the quick  
pins.  
8. Re-install the side discharge chute to the opening  
on the cutter deck. Replace the two (2) outside  
mounting bolts on the discharge chute with the  
clevis pins (p/n 04064-15) and rue cotter pins  
(p/n 04069-03). See Figure 6-3.  
RIGHT SIDE OF  
CUTTER DECK SHOWN  
DISCHARGE  
CHUTE  
CLEVIS PIN  
P/N 04064-15  
(Note: Some parts not shown for viewing purposes.)  
GC-STC removal art 1  
Figure 6-1  
5. Remove the two (2) pins holding the hood  
assembly to the mounting brackets on the rear of  
the machine. See Figure 6-2.  
CLEVIS PIN  
P/N 04064-15  
RUE COTTER PIN  
P/N 04069-03  
GC-STC removal art 3  
Figure 6-3  
14  
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NOTES  
15  
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GC-STT BLOWER HOUSING ASSEMBLY  
9
48  
10  
11  
12  
13  
2
4
8
1
9
5
6
3
11  
7
10  
10  
14  
44  
47  
27  
14  
11  
12  
15  
43  
42  
41  
16  
14  
15  
17  
26  
28  
17  
39  
40  
18  
34  
27  
19  
20  
21  
41  
25  
38  
22  
23  
3
35  
27  
36  
24  
14  
46  
29  
R
DANGER  
O
T
A
T
S
I
t
o
N
24  
14  
p
G
e
n
B
g
i
n
D
L
A
e
U
H
O
D
b
N
I
N
e
f
S
L
D
E
C
E
O
o
S
T
r
e
A
S
O
S
c
l
R
G
P
e
A
G
E
R
a
n
E
A
R
G
S
A
i
n
N
D
S
T
g
U
E
A
C
o
r
R
A
I
M
O
B
D
T
r
e
L
O
g
C
W
O
m
o
I
S
H
E
E
R
v
i
N
W
R
S
n
T
E
A
R
L
R
L
E
D
30  
33  
32  
37  
31  
31  
45  
34  
47  
36  
390STT0200A  
45  
35  
49  
16  
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GC-STT BLOWER HOUSING ASSEMBLY  
Ref.  
No.  
Part  
Number  
Ref.  
No.  
Part  
Number  
Description  
Description  
1
2
3
4
5
6
7
8
04067-07  
481547  
04019-02  
04001-59  
04001-01  
423298  
481428  
482300  
04024-02  
04021-05  
04041-07  
43277  
481048  
482299  
04021-09  
04030-04  
423933  
Pin, Ring 2-1/4" Long  
25  
43504  
43575  
481039  
04019-04  
Pivot, Idler - 52"  
Pivot, Idler - 61"  
Decal, Belt Cover  
Nut, Serr. Flange 3/8-16  
Lanyard, Deck Height Pin  
Nut, Serr. Flange 1/4-20  
Bolt, Hex Head 1/4-20 x 1-1/4"  
Bolt, Hex Head 1/4-20 x 3/4"  
Belt Cover, Rear  
Grip, Blower Lever  
Cap, Square  
Nut, Push On 3/8 Thread  
Lock Nut, 3/8-16  
Flatwasher, 3/8-.391 x .938 x .105  
Spacer  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
04001-136 Bolt, Hex Head 3/8-16 x 1-1/2 Gr. 8  
482293  
461681  
04003-12  
04063-06  
451420  
48915  
04021-10  
04040-04  
421319  
48136-02  
48135-13  
48135-15  
482298  
04012-04  
461683  
461684  
451685  
481522  
43212  
Decal, Danger  
Blower Housing Assembly  
Bolt, Carr. 5/16-18 x 3/4" Gr. 5  
Key, 1/4 x 1/4 x 1-1/2"  
Fan Weldment  
Bearing Assembly  
Nut, Elastic Stop 5/16-18  
Flatwasher, 5/16-.344 x .688 x .065  
Cover, Blower Housing  
Clamp, 8-5/8" Max Dia.  
Hose, 8.00" Dia. x 56.00" Long  
Hose, 8.00" Dia. x 68.00" Long - 72A  
Pulley, 4-3/4" O.D. - 1" Bore  
Set Screw, 5/16-18 x 3/8"  
Frame, Blower Mount - 52"  
Frame, Blower Mount - 61"  
Frame, Blower Mount - 72"  
Spring, Main Drive  
9
10  
11  
12  
13  
Pulley, Idler 3" Dia. - 52" Cutter Deck  
Pulley, Idler 4" Dia. - 61" Cutter Deck  
Nut, Elastic Stop 3/8-16  
Lockwasher, 3/8-16  
14  
15  
16  
Plate, Catch Mounting  
423952  
Plate, Catch Mounting - 72"  
Bolt, Carr. 3/8-16 x 1-1/2"  
Bolt, Hex Head 3/8-16 x 3" - 52"  
Bolt, Hex Head 3/8-16 x 2-1/4" - 61"  
Bolt, Hex Head 3/8-16 x 3-1/2"  
Bolt, Hex Head 3/8-16 x 1-3/4"  
Idler Arm Assembly, GC-STT 52"  
Idler Arm Assembly, GC-STT 61"  
Belt, GC-STT 52"  
Belt, GC-STT 61"  
Belt, GC-STT 72"  
Pulley, 3" O.D., GC-STT 52"  
Pulley, 4" O.D., GC-STT 61"  
Washer, 3/8 Hardened  
40  
41  
42  
17  
18  
04003-05  
04001-54  
04001-46  
04001-81  
04001-21  
461427  
461389  
482428  
482379  
482831  
19  
20  
21  
43  
44  
45  
46  
47  
Spacer  
Nut, Serr. Flange 5/16-18  
Adapter w/Strap\  
04019-03  
461419  
423297  
423939  
04062-05  
461680  
22  
Plate, Blower Catch  
Plate, Blower Catch - 72"  
Hair Pin Cotter, .243 x 4"  
Blower Housing Assembly, GC-STT  
23  
24  
482079  
482062  
04043-04  
48  
49  
17  
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GC-STT BLOWER MOUNTING COMPONENTS  
31  
22  
24  
23  
25  
25  
26  
10  
30  
26  
29  
27  
28  
32  
10  
28  
11  
29  
27  
28  
2
UNDER SIDE OF  
CUTTER DECK SHOWN  
5
1
6
7
4
3
8
9
6
13  
12  
21  
14  
15  
15  
20  
19  
16  
17  
18  
RIGHT SIDE OF 61"  
CUTTER DECK SHOWN  
Note: Parts for 52"cutter deck may vary slightly from illustration.  
Some parts not shown for viewing purposes.  
390STT0203  
18  
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GC-STT BLOWER MOUNTING COMPONENTS  
Ref. Part  
No. Number  
Description  
1
482406  
482378  
04029-04  
482300  
Belt Cover, GC-STT - 52"  
Belt Cover, GC-STT - 61" & 72"  
Wingnut, Plastic 3/8 Small  
Cap, Square Vinyl  
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
04021-08  
461419  
Nut, Elastic Stop 1/4-20  
Adapter, Blower GC-STT  
Flatwasher, 1/4-.312 x .750 x .065  
Rubber Strap 7-3/4"  
Bolt, Hex Head 1/4-20 x 1-1/4"  
Knob W/Stud, 3/8-16 x 1-1/4"  
Clevis Pin, 5/16 x 1-1/2"  
Pin, Rue Cotter 5/16 Dia.  
Pin, Ring 1/2 x 2-1/4"  
04040-14  
48137-04  
04001-59  
481625-01  
04064-15  
04069-03  
04067-07  
481547  
482427  
482377  
482830  
04012-04  
04021-07  
04030-06  
04040-07  
04001-71  
461418  
Lanyard  
Pulley, 4-1/2" for 52" Deck  
Pulley, 5-1/2" for 61" Deck  
Pulley, 6-1/4" for 72" Deck  
Setscrew, 5/16-18 x 3/8"  
Nut, Elastic Stop 1/2-13  
Lockwasher, 1/2"  
Flatwasher, 1/2-.531 x 1.062 x .095  
Bolt, Hex Head 1/2-13 x 1-1/2" Grade 5  
Mounting Post Weldment, Blower - 52"  
Mounting Post Weldment, Blower - 61"  
Mounting Post Weldment, Blower - 72"  
Belt Cover, - 52"  
15  
16  
17  
18  
19  
20  
451413  
451657  
423427  
21  
423446  
Belt Cover, - 61"  
423940  
Belt Cover, - 72"  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
04019-02  
04017-05  
04003-23  
04021-09  
04041-07  
04001-09  
04040-15  
04021-10  
04001-12  
423629  
Nut, Serrated Flange 1/4-20  
Bolt, Hex Head 1/4-20 x 3/4"  
Bolt, Carriage 3/8-16 x 1"  
Nut, Elastic Stop 3/8-16  
Flatwasher, 3/8-.391 x .938 x .105  
Bolt, Hex Head 5/16-18 x 1"  
Flatwasher, 5/16-.375 x .875 x .083  
Nut, Elastic Stop 5/16-18  
Bolt, Hex Head 5/16-18 x 1-3/4"  
Baffle, 52"  
423448  
Baffle, 61"  
423932  
Baffle, 72"  
32  
423956  
Baffle, 52" Deck  
423957  
Baffle, 61" Deck  
423958  
Baffle, 72" Deck  
19  
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GC-STT BUCKET SUPPORT COMPONENTS  
3
41  
42  
40  
1
6
49  
4
2
3
5
9
11  
8
33  
4
9
48  
47  
33  
5
23  
16  
21  
46  
45  
22  
9
21  
16  
13  
23  
32  
5
18  
31  
11  
19  
13  
13  
16  
9
16  
5
24  
9
18  
20  
4
5
16  
14  
5
4
9
5
34  
43  
16  
40  
25  
44  
9
34  
34  
31  
9
34  
11  
52  
51  
11  
34  
27  
11  
30  
32  
29  
26  
9
34  
36  
28  
36  
53  
35  
39  
5
5
12  
15  
50  
37  
34  
9
38  
9
10  
50  
FRAME  
17  
37  
20  
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GC-STT BUCKET SUPPORT COMPONENTS  
Ref.  
No.  
Part  
Number  
Description  
1
423302  
Screen, Catcher Hood  
2
3
4
5
6
7
8
04090-02  
04041-19  
04001-32  
04041-07  
461408  
Pop Rivet, 3/16 x .652  
Flatwasher, 3/16-.196 x .469 x .048  
Bolt, Hex Head 3/8-16 x 1-1/4"  
Flatwasher, 3/8-.391 x .938 x .105  
Hood Assembly, GC-STT (includes item 1and items 2 & 4 on page 17)  
Bolt, Hex Head 3/8-16 x 2-3/4"  
Hinge, Upper LH  
04001-161  
423258  
9
04021-09  
423670  
Nut, Elastic Stop 3/8-16  
Spacer, Hitch  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
50  
51  
52  
53  
04001-46  
04003-04  
04001-20  
04001-135  
423690  
04019-04  
04019-03  
43546  
482304  
423436  
43212  
04021-05  
43277  
Bolt, Hex Head 3/8-16 x 2-1/4"  
Bolt, Carriage 5/16-18 x 1.00  
Bolt, Hex Head 3/8-16 x 1-1/2"  
Bolt, Hex Head 3/8-16 x 1-3/4" Grade 8  
Support Bracket, Catcher  
Nut, Serrated Flange 3/8-16  
Nut, Hex Serrated Flange 5/16-18  
Bushing, Hopper Pivot  
Spring, Hood Hinge  
-NOTE-  
Hinge, Lower LH  
Spacer  
Locknut, 3/8-16  
Some of the hardware is common hardware  
and you may purchase it locally. Be sure that  
all bolts purchased locally are a grade 5.  
Spacer  
423259  
423261  
48135-14  
48136-02  
482422  
Hinge, Upper RH  
Hinge, Lower RH  
Hose, 8" Dia. x 60.5"  
Clamp, 8-5/8" Max Dia.  
Tube, Filler GC-STT  
Elbow, GC-STT  
482421  
04001-10  
04021-10  
04040-15  
04041-11  
04030-04  
04001-51  
423426  
04001-19  
451511  
04001-31  
482409  
04010-25  
04021-01  
04001-08  
04090-03  
451026  
422586  
04067-06  
481737  
Bolt, Hex Head 5/16-18 x 1-1/4"  
Nut, Elastic Stop 5/16-18  
Flatwasher, 5/16-.375 x .875 x .083  
Flatwasher, 3/8- .406 x 1-1/2" x .179  
Lockwasher, 3/8 Spring  
Bolt, Hex Head 3/8-16 x 3-3/4"  
Tube, Upright  
Bolt, Hex Head 3/8-16 x 1"  
Frame Weldment  
Bolt, Hex Head 3/8-16 x 2-1/2"  
Latch  
Screw, #10-32 x 3/4"  
Nut, Elastic Stop #10-32  
Bolt, Hex Head 5/16-18 x 3/4"  
Rivet, 3/16 x .402 POP  
Support Weldment, Front Weights  
Clamp, Bar  
Pin, 1/2 x 6-1/4"  
Lanyard, Weight Pin  
Weight Assembly  
9009  
451512  
451516  
423435  
Hitch Bracket Weldment  
Support Weldment, Bag Frame  
Heat Shield  
04066-03  
Quick Pin  
21  
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GC-STT BAG SUPPORT BRACKET AND SEAL  
1
2
8
7
9
6
10  
11  
12  
5
3
4
390STT0201  
13  
22  
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GC-STT BAG SUPPORT BRACKET AND SEAL  
Ref. Part  
No. Number  
Description  
1
2
04090-02  
482321  
Pop Rivet, 3/16 x .652  
Seal, Hood  
3
4
04021-02  
423312  
Lock Nut, 1/4-20 Center Lock  
Retainer, Seal  
5
6
7
8
04003-02  
04001-08  
04019-03  
04021-10  
04040-15  
423197  
04003-12  
423198  
482569  
Bolt, Carr. 1/4-20 x 3/4"  
Bolt, Hex Head 5/16-18 x 3/4"  
Nut, Serrated Flange 5/16-18  
Nut, Elastic Stop 5/16-18  
Flatwasher, 5/16-.375 x .875 x .083  
Tube, Bag Support  
Bolt, Carr. 5/16-18 x 3/4"  
Mount, Bag Frame Tube  
Bag Assembly, GC-STT  
9
10  
11  
12  
13  
-NOTE-  
Some of the hardware is common hardware and you may purchase it locally. Be sure that all bolts  
purchased locally are a grade 5.  
23  
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GC-STT DECALS  
481039  
482275  
481327  
482293  
24  
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NOTES  
25  
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LIMITED WARRANTY- COMMERCIAL ACCESSORY  
AnypartoftheScagcommercialaccessorymanufacturedbyScagandfound,inthereasonablejudgmentofScag,  
tobedefectiveinmaterialorworkmanship,willberepairedorreplacedbyanAuthorizedScagServiceDealerwithout  
charge for parts and labor.  
The Scag accessory, including any defective part, must be returned to an Authorized Scag Service Dealer within  
the warranty period. The expense of delivering the accessory to the dealer for warranty work and the expense of  
returningitbacktotheownerafterrepairorreplacementwillbepaidforbytheowner. Scag’sresponsibilityinrespect  
toclaimsislimitedtomakingtherequiredrepairsorreplacements,andnoclaimofbreachofwarrantyshallbecause  
for cancellation or rescission of the contract of sale of any Scag machine. Proof of purchase will be required by the  
dealer to substantiate any warranty claim. All warranty work must be performed by an Authorized Scag Service  
Dealer.  
This warranty is limited to 90 days from the date of original retail purchase for any Scag accessory that is used for  
commercial purposes, or any other income-producing purpose including rental use.  
This warranty does not cover any accessory that has been subject to misuse, neglect, negligence, or accident, or  
thathasbeenoperatedinanywaycontrarytotheoperating instructionsasspecifiedintheOperator'sManual. The  
warranty does not apply to any damage to the accessory that is the result of improper maintenance, or to any  
accessory or parts that have not been assembled or installed as specified in the Operator's Manual.  
The warranty does not cover any accessory that has been altered or modified. In addition, the warranty does not  
extend to repairs made necessary by normal wear, or by the use of parts or accessories which, in the reasonable  
judgment of Scag, are either incompatible with the Scag mower or adversely affect its operation, performance or  
durability. This warranty does not cover engines and electric starters, which are warranted separately by their  
manufacturer.  
ScagPowerEquipmentreservestherighttochangeorimprovethedesignofanyaccessorywithoutassumingany  
obligation to modify any accessory previously manufactured.  
All other implied warranties are limited in duration to the 90 day warranty period. Accordingly, any such implied  
warranties including merchantability, fitness for a particular purpose, or otherwise, are disclaimed in their entirety  
after the expiration of the appropriate ninety day warranty period. Scag’s obligation under this warranty is strictly  
andexclusivelylimitedtotherepairorreplacementofdefectivepartsandScagdoesnotassumeorauthorizeanyone  
toassumeanyotherobligationforthem. Somestatesdonotallowlimitationsonhowlonganimpliedwarrantylasts,  
so the above limitation may not apply to you.  
Scagassumesnoresponsibilityforincidental,consequentialorotherdamagesincluding,butnotlimitedto,expense  
forgasoline,oil,expenseofdeliveringthemachinetoanAuthorizedScagServiceDealerandexpenseofreturning  
it back to the owner, mechanic’s travel time, telephone or telegram charges, rental of a like product during the time  
warranty repairs are being performed, travel, loss or damage to personal property, loss of revenue, loss of use of  
the mower, loss of time, or inconvenience. Some states do not allow the exclusion or limitation of incidental or  
consequential damages, so the above limitation or exclusion may not apply to you.  
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.  
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© 2003  
PART NO. 03138  
PRINTED 8-2003  
PRINTED IN USA  
SCAG POWER EQUIPMENT  
DIVISION OF METALCRAFT OF MAYVILLE, INC  
WWW.SCAG.COM  
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