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4

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Section 2

When using any attachment, never direct the 

2. 

discharge of material toward bystanders or allow 
anyone near the machine while in operation.

If the mower discharge ever plugs, shut off the 

3. 

engine, remove the ignition key, and wait for all 
movement to stop before removing the obstruction.

 WARNING

DO NOT use your hand to dislodge the clogged 
discharge  chute.  Use  a  stick  or  other  device  to 
remove  clogged  material  after  the  engine  has 
stopped  running  and  the  blades  have  stopped 
turning.

Be alert for holes, rocks, roots and other hidden 

4. 

hazards in the terrain. Keep away from any drop-
offs. Beware of overhead obstructions (low limbs, 
etc.), underground obstacles (sprinklers, pipes, tree 
roots, etc.). Cautiously enter a new area. Be alert for 
hidden hazards.

Disengage power to cutter deck before backing up. 

5. 

Do not mow in reverse unless absolutely necessary 
and then only after observation of the entire area 
behind the mower. If you must mow in reverse, 
maintain a constant lookout to the rear of the 
machine and mow slowly.

Disengage power to cutter deck before crossing 

6. 

roads, walks or gravel drives.

Mow only in daylight or good artificial light.

7. 

NEVER raise the deck with the blades engaged.

8. 

The machine and attachments should be stopped 

9. 

and inspected for damage after striking a foreign 
object, and damage should be repaired before 
restarting and operating the machine.

Keep hands and feet away from cutter blades and 

10. 

moving parts. Contact can injure.

Use care when approaching blind corners, shrubs, 

11. 

trees, or other objects that may obscure vision.

NEVER leave the machine running unattended.

12. 

OCDC OPERATION

2.4 

The OCDC (Operator Controlled Discharge Chute) can be 
raised or lowered to side discharge or block the discharge of 
grass clippings. Follow the steps below for proper operation 
of the OCDC.

-nOTE-

The  OCDC  is  not  intended  to  be  a  complete  or 
full  time  mulch  system.  This  accessory  allows 
the  operator  to  temperarily  close  the  cutter 
deck's discharge opening to keep clippings out of 
landscaping and off pavement when needed.

CLOSED POSITION

In  the  closed  position,  the  clippings  will  be  temporarily 
blocked.

Pull up on the OCDC control handle. 

1. 

While pulling up, move the OCDC control handle 

2. 

outward slightly and push down to lock the OCDC 
into the closed position. See Figure 2-1. The 
discharge chute will raise to allow for close trimming.

Moving from Open to Closed Position

Figure 2-1. 

Summary of Contents for STT-OCDC-52V

Page 1: ...y Reading this manual can provide you with assistance in operation and installation procedures to keep your accessory performing to maximum efficiency The specific models that this book covers are listed on the inside cover Before operating your machine please read all the information enclosed in the operator s manual supplied with your mower OPERATOR S MANUAL Operator Controlled Discharge Chute M...

Page 2: ... discharge chute Before performing any maintenance or service stop the machine and remove the spark plug wire and ignition key If a mechanism becomes clogged stop the engine before cleaning Keep hands feet and clothing away from power driven parts Keep others off the mow er only one person at a time REMEMBER YOUR MOWER IS ONLY AS SAFE AS THE OPERATOR Hazard control and accident prevention are depe...

Page 3: ...ION 2 3 2 1 Introduction 3 2 2 Signal Words 3 2 3 Operation Considerations 3 2 4 OCDC Operation 4 INSTALLATION INSTRUCTIONS SECTION 3 6 3 1 INSTALLATION INSTRUCTION FOR STT 52v 6 3 2 INSTALLATION INSTRUCTION FOR STT 61V 10 ILLUSTRATED PARTS LIST SECTION 4 15 8 1 SCAG APPROVED ATTACHMENTS AND ACCESSORIES 15 STT 52V STT 61V OCDC 16 LIMITED WARRANTY COMMERCIAL ACCESSORY inside back cover ...

Page 4: ...NTS AND ACCESSORIES Attachments and accessories manufactured by companies other than Scag Power Equipment are not approved for use on this machine See your mowers operator s manual for a complete list of approved attachments and accessories WARNING For pictorial clarity some illustrations and figures in this manual may show shields guards or plates open or removed Under no circumstances should you...

Page 5: ...sly Variable Linear Cutting Element Basic Symbol 481039S Pinch Point Cutting Element Engage Hour meter Elapsed Operating Hours Cutting Element Disengage STT Models Seat must be installed under the seat hold down bracket during installation Failure to secure the seat under the hold down bracket could result in serious injury or death in a roll over CE Mark Thrown Object Hazard Keep Bystanders Away ...

Page 6: ...ng signal words to attract your attention to safety messages found on the decals on the machine and throughout this manual The message that follows the symbol contains important information about safety To avoid injury and possible death carefully read the message Be sure to fully understand the causes of possible injury or death Signal Word It is a distinctive word found on the safety decals on t...

Page 7: ... Mow only in daylight or good artificial light 7 NEVER raise the deck with the blades engaged 8 The machine and attachments should be stopped 9 and inspected for damage after striking a foreign object and damage should be repaired before restarting and operating the machine Keep hands and feet away from cutter blades and 10 moving parts Contact can injure Use care when approaching blind corners sh...

Page 8: ...p on the OCDC control handle to unlock from 1 the closed position Push down on the OCDC control handle to lower the 2 side discharge chute See Figure 2 2 The discharge chute will lower to it s original position for safe side discharge operation Moving from Closed to Open Position Figure 2 2 ...

Page 9: ... 16 18 x 1 bolt one 1 5 16 flatwasher and one 1 5 16 18 elastic stop nut Do not tighten the hardware See Figure 3 3 Rear Hinge Bracket Front Hinge Bracket Hinge Weldment Installation Figure 3 3 Hold the rear hinge bracket tight to the cutter deck 6 Using the rear hinge bracket as a guide drill the 7 bottom mounting bolt hole for the rear hinge bracket using an 11 32 drill bit Install one 1 5 16 18...

Page 10: ... Section 3 3 3 4 4 1 2 0 40 3 3 4 4 1 2 Template Template Center Punch Drill 11 32 Hole Center Punch Drill 11 32 Hole Discharge Chute Mounting Rail 0 40 Locating and Drilling the Mounting Holes Figure 3 4 ...

Page 11: ...right hand 17 steering control bracket See Figure 3 6 Secure using two 2 5 16 18 x 1 bolts one 1 mounting plate and two 2 5 16 18 serrated flange nuts as shown in Figure 3 6 OCDC Handle Bracket Mounting Plate OCDC Handle Bracket Instal Figure 3 6 Install the OCDC control rod through the handle 18 bracket and attach to the cutter deck Secure using two 2 5 16 18 x 1 bolt two 2 5 16 flatwashers two 2...

Page 12: ... 1 bolt and one 1 5 16 18 elastic stop nut Tighten the hardware 25 Operate the OCDC checking for proper operation as 26 outlined in Section 2 4 pages 4 and 5 An adjustment may need to be made to the lower 27 control link to insure smooth operation If the OCDC is difficult to lock in the closed position shorten the lower control link slightly until the OCDC locks smoothly into the closed position A...

Page 13: ...t one 1 5 16 flatwasher and one 1 5 16 18 elastic stop nut Do not tighten the hardware See Figure 3 11 Rear Hinge Bracket Front Hinge Bracket Hinge Weldment Installation Figure 3 11 Hold the rear hinge bracket tight to the cutter deck 6 Using the rear hinge bracket as a guide drill the 7 bottom mounting bolt hole for the rear hinge bracket using an 11 32 drill bit Install one 1 5 16 18 x 3 4 bolt ...

Page 14: ... Section 3 3 3 4 4 1 2 0 40 3 3 4 4 1 2 Template Template Center Punch Drill 11 32 Hole Center Punch Drill 11 32 Hole Discharge Chute Mounting Rail 0 40 Locating and Drilling the Mounting Holes Figure 3 12 ...

Page 15: ...t and the OCDC handle knob to the 21 control rod See Figure 3 16 Tighten the jam nut Secure the lower control link to the block off plate 22 weldment using one 1 5 16 18 x 1 bolt and one 1 5 16 18 elastic stop nut See Figure 3 16 Install the front hinge bracket to the cutter deck using 14 two 2 5 16 18 x 3 4 bolts and two 2 5 16 18 elastic stop nuts See Figure 3 11 page 10 Do not tighten the hardw...

Page 16: ...ficult to lock in the closed position shorten the lower control link slightly until the OCDC locks smoothly into the closed position OCDC Control Rod OCDC Handle Bracket OCDC Handle Knob Jam Nut OCDC Control Assembly Installation Figure 3 16 Tighten the hardware 23 Install the OCDC discharge chute to the cutter deck 24 Secure using two 2 5 16 18 x 1 3 4 bolt and two 2 5 16 18 elastic stop nuts See...

Page 17: ...14 R Section 3 A A B B OCDC Discharge Chute Upper Control Link OCDC Discharge Chute Installation Figure 3 18 ...

Page 18: ... Section 8 SCAG APPROVED ATTACHMENTS AND ACCESSORIES 8 1 Attachments and accessories manufactured by companies other than Scag Power Equipment are not approved for use on this machine ILLUSTRATED PARTS LIST ...

Page 19: ...STT 61V C D D D STT 52V STT 61V E F E F E F 27 27 29 29 52V Straight Lever Weldment used on STT 61V machines with the extended chassis 7 6 10 8 7 6 1 1 2 2 3 3 31 30 32 6 9 9 9 9 9 9 9 9 9 9 9 9 8 7 11 16 13 14 15 11 7 12 17 18 6 19 20 21 6 22 23 20 24 6 16 25 26 28 9 9 5 8 16 ...

Page 20: ...x 875 x 083 Lockwasher 5 16 Spring Nut Elastic Stop 5 16 18 Pivot Weldment 61V Washer Thrust Bolt Hex Head 5 16 18 x 2 Bushing Plate Pivot Arm Bearing Bolt Hex Head 5 16 18 x 1 3 4 Bolt Hex Head 5 16 18 x 1 1 4 Linkage Assembly Discharge Chute 52V Linkage Assembly Discharge Chute 61V Linkage Assemlby Block Off Plate 52V Linkage Assembly Block Off Plate 61V Bolt Hex Head 5 16 18 x 3 1 2 Hinge Weldm...

Page 21: ...arranty 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 Scag Power Equipment reserves the right ...

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