Operator Controlled Discharge Chute Models: OPERATOR’S MANUAL STT-OCDC-52V STT-OCDC-61V This manual contains the operating instructions, assembly instructions and safety information for your Scag accessory. 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.
WARNING FAILURE TO FOLLOW SAFE OPERATING PRACTICES MAY RESULT IN SERIOUS INJURY OR DEATH. • Read this manual completely as well as other manuals that came with your mower. • DO NOT operate on steep slopes. To check a slope, attempt to back up it (with the cutter deck down). If the machine can back up the slope without the wheels slipping, reduce speed and use extreme caution. • Under no circumstances should the machine be operated on slopes greater than 15 degrees.
Table of Contents R Table of Contents SECTION 1 - GENERAL INFORMATION. ..................................................................................1 1.1 Introduction............................................................................................................................................1 1.2 Direction Reference............................................................................................................................1 1.3 Servicing ThIS ACCESSORY....................
Section 1 R GENERAL INFORMATION 1.1 Introduction 1.2 Direction Reference Your OCDC was built to the highest standards in the industry. However, the prolonged life and maximum efficiency of your OCDC depends on you following the installation and operation instructions in this manual. The “Right” and “Left”, “Front” and “Rear” of the machine are referenced from the operator’s right and left when seated in the normal operating position and facing the forward travel direction.
Section 1 R 1.4 Symbols SYMBOL DESCRIPTION SYMBOL DESCRIPTION Choke Transmission Parking Brake Spinning Blade 48071S On/Start Spring Tension on Idler Off/Stop Oil Falling Hazard Thrown Object Hazard Fast Slow Continuously Variable - Linear Cutting Element - Basic Symbol Pinch Point Cutting Element - Engage Hour meter/Elapsed Operating Hours Cutting Element - Disengage STT Models CE Mark 481039S Seat must be installed under the seat hold down bracket during installation.
Section 2 R SAFETY INFORMATION 2.1 Introduction Danger Your mower is only as safe as the operator. Carelessness or operator error may result in serious bodily injury or death. 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. Make sure every operator is properly trained and thoroughly familiar with all of the controls before operating the mower.
Section 2 R 2. When using any attachment, never direct the discharge of material toward bystanders or allow anyone near the machine while in operation. 2.4 OCDC Operation 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. 3.
Section 2 R OPEN POSITION In the open position, the clippings will side discharge. 1. Pull up on the OCDC control handle to unlock from the closed position. 2. Push down on the OCDC control handle to lower the side discharge chute. See Figure 2-2. The discharge chute will lower to it's original position for safe sidedischarge operation. Figure 2-2.
Section 3 R INSTALLATION INSTRUCTIONS 5. Install the rear hinge bracket to the cutter deck using one (1) 5/16-18 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. 3.1 INSTALLATION INSTRUCTION FOR STT-52v Prepare the machine so there is easy and safe access to the work area. Park the machine on a flat, level surface and apply the parking brake. Remove the ignition key and disconnect the positive and negative cables from the battery.
Section 3 R Template 0.4 0” 3-3 /4” 4-1 /2” Center Punch & Drill 11/32” Hole Template Discharge Chute Mounting Rail Center Punch & Drill 11/32” Hole 0.4 0” 3-3 4-1 /2” /4” Figure 3-4.
Section 3 R 14. Install the front hinge bracket to the cutter deck using two (2) 5/16-18 x 3/4" bolts and two (2) 5/16-18 elastic stop nuts. See Figure 3-3, page 6. Do not tighten the hardware. 18. Install the OCDC control rod through the handle bracket and attach to the cutter deck. Secure using two (2) 5/16-18 x 1" bolt, two (2) 5/16" flatwashers, two (2) 5/16" lockwashers and two (2) 5/16-18 elastic stop nuts. See Figure 3-7. Tighten the hardware. 15.
Section 3 R 21. Tighten the hardware. 22. Install the OCDC discharge chute to the cutter deck. Secure using two (2) 5/16-18 x 1-3/4" bolt and two (2) 5/16-18 elastic stop nuts. See Figure 3-8. 23. Tighten the hardware. 24. Secure the upper control link to the OCDC discharge chute using one (1) 5/16-18 x 1" bolt and one (1) 5/16-18 elastic stop nut. 25. Tighten the hardware. 26. Operate the OCDC checking for proper operation as outlined in Section 2.4, pages 4 and 5. 27.
Section 3 R 3.2 INSTALLATION INSTRUCTION FOR STT-61V 5. Install the rear hinge bracket to the cutter deck using one (1) 5/16-18 x 1" bolt, one (1) 5/16" flatwasher and one (1) 5/16-18 elastic stop nut. Do not tighten the hardware. See Figure 3-11. Prepare the machine so there is easy and safe access to the work area. Park the machine on a flat, level surface and apply the parking brake. Remove the ignition key and disconnect the positive and negative cables from the battery.
Section 3 R Template 0.4 0” 3-3 /4” 4-1 /2” Center Punch & Drill 11/32” Hole Template Discharge Chute Mounting Rail Center Punch & Drill 11/32” Hole 0.4 0” 3-3 4-1 /2” /4” Figure 3-12.
Section 3 R 18. Determine which OCDC control lever weldment is needed. The "curved" control lever is used for most STT models with a 61V cutter deck. If the STT model has the extended chassis (i.e. STT61V-28CAT), the "straight" control lever must be installed. 14. Install the front hinge bracket to the cutter deck using 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 hardware. 15.
Section 3 R 28. Replace decal p/n 483406. Install on the left side of the cutter deck in the location shown in Figure 3-17 OCDC Handle Knob Jam Nut 483406 Decal Location OCDC Handle Bracket Figure 3-17. 483406 Decal Location - 61V 29. Operate the OCDC checking for proper operation as outlined in Section 2.4, pages 4 and 5. OCDC Control Rod 30. An adjustment may need to be made to the lower control link to insure smooth operation.
Section 3 R Upper Control Link A A B B OCDC Discharge Chute Figure 3-18.
Section 8 R ILLUSTRATED PARTS LIST 8.1 SCAG APPROVED ATTACHMENTS AND ACCESSORIES. Attachments and accessories manufactured by companies other than Scag Power Equipment are not approved for use on this machine.
Section 8 R STT-52V / STT-61V OCDC *STT-52V STT-61V 1 2 1 2 31 30 *3 3 32 6 E STT-52V 9 F E F 29 C STT-52V 27 9 87 11 16 E 9 5 13 D STT-61V C 29 C 14 F 15 9 19 B 6 27 9 D 20 21 9 D 6 STT-61V 11 7 A 17 9 16 A 7 6 18 9 9 8 B 9 8 10 B 7 12 6 22 9 A 6 9 23 9 9 16 28 26 25 *52V Straight Lever Weldment used on STT-61V machines with the extended chassis 16 24 20
Section 8 R STT-52V / STT-61V OCDC Ref. No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Part No.
LIMITED WARRANTY- COMMERCIAL ACCESSORY Any part of the Scag commercial accessory manufactured by Scag and found, in the reasonable judgment of Scag, to be defective in material or workmanship, will be repaired or replaced by an Authorized Scag Service Dealer without 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.
