Curtis Yanmar SA Series Installation & Owner's Manual

Dual rear remote scv adapter kit fits tractor models: sa 221, sa 324, sa 424, sa 325, and sa 425

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Dual Rear Remote SCV Adapter Kit
fits tractor models: SA 221, SA 324, SA 424,
While this kit was designed to fit on the vehicle(s) listed above, manufacturing tolerances and vehicle
assembly may affect fitment. It is the responsibility of the installer to check all vehicle pedals and levers for
full functionality and, as required, adjust the fitment to prevent any interference of components with the
travel of pedals or levers.
This kit must be installed with the Yanmar SA Series Premium Cab (P/N: 1YANSAPR).
Approximate Installation Time *
Experienced Dealer Technician – 30 minutes
Average Dealer Technician – 45 minutes
Do-It-Yourself – 1 Hour
(*=Not including accessories)
The contents of this envelope are the property of the owner. Leave with the owner when installation is complete.
Yanmar SA Series
(p/n: 1YANSARRAK)
SA 325, and SA 425
Approximate Product Specifications
Weight: 5 lbs.
1 of 12
Rev. B, 06/06/2024
P/N: IM-1YANSARRAK

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Summary of Contents for Curtis Yanmar SA Series

  • Page 1 This kit must be installed with the Yanmar SA Series Premium Cab (P/N: 1YANSAPR). Approximate Installation Time * Experienced Dealer Technician – 30 minutes Approximate Product Specifications Average Dealer Technician –...
  • Page 2: Table Of Contents

    2 of 12 TABLE OF CONTENTS WARNINGS, TIPS, & REQUIRED TOOLS ............3 KIT INSTALLATION ..................4-7 CARE AND MAINTENANCE ................9 SERVICE PARTS ..................10 TORQUE SPECIFICTION TABLES............11-12...
  • Page 3: Warnings, Tips, & Required Tools

    WARNINGS, TIPS, & REQUIRED TOOLS For accurate installation, proper operation, and years of satisfaction, please read and understand the installation and owner’s manual fully prior to installing this kit. From all of us at Curtis, we thank you for choosing our product ADDED WEIGHT Curtis Cabs, blades and general accessories add additional weight to the base vehicle.
  • Page 4: Kit Installation

    4 of 12 KIT INSTALLATION STEP 1: (VEHICLE PREP) Make a note of hose routing to SCV (Selective Control Valve). See figures 1.1a and b for reference. Disconnect and save 45° fitting Disconnect SCV hoses and drain fluid. Cycle the valves to allow all fluid to drain out.
  • Page 5 5 of 12 KIT INSTALLATION STEP 2: (ASSEMBLE SCV) Original Cover and Hardware Assemble the new mounting bracket to the SCV with the original cover and screws. See figure 2.1. Tool required 12mm Wrench or Socket Not Used New bracket Save for reuse Fig.
  • Page 6 6 of 12 KIT INSTALLATION STEP 4: (INSTALL ROPS BRACKET) Install the ROPS bracket 3.25” above the lower cab ROPS bracket. See Figures 4.1a and 4.1b. Tighten hardware. Hardware Used 5/16-18 x 3/4” lg. Hex Head Screw 5/16-18 Hex Nut Tools required 1/2”...
  • Page 7 7 of 12 KIT INSTALLATION STEP 5: (MOUNT SCV) Squeeze the SCV levers just enough to slide them through the slots in the rear window. With assistance, hold the SCV in place and secure it to the ROPS bracket. See Figures 5.1a and b. Hardware Used 5/16-18 x 3/4”...
  • Page 8 8 of 12 KIT INSTALLATION STEP 6: (ATTACH HOSES) Loosely install the 45° fitting to the right side port as shown in Figure 6.1. Attach the hose with the 90° fitting to the 45° fitting. Attach the longer straight hose in its original location as is.
  • Page 9: Care And Maintenance

    9 of 12 CARE AND MAINTENANCE • Check and tighten hardware after 40 hours of operation. Periodically inspect and tighten hardware for the remainder of the unit’s life. • Wash the painted surfaces of this kit with commercial automotive cleaning products.
  • Page 10: Service Parts

    10 of 12 SERVICE PARTS PART NUMBER DESCRIPTION 8SV-SM-02556 SCV MOUNTING BRACKET 8SV-110-00120 ROPS BRACKET ASSEMBLY 8SV-9FR-00101 SCV RUBBER FILLER 8SV-HYA-00105 HYDRAULIC SCV EXTENSION 9SV-HWK-00189 HARDWARE KIT, DUAL REAR REMOTE SCV RIGHT REAR LEG WINDOW KIT (INCLUDES FASTENERS) P/N: 8SV-P-00180K ACRYLIC SHEET WITH...
  • Page 11: Torque Specifiction Tables

    Tightening of Non-Structural Bolts For light or medium duty fastening, Curtis recommends using a general industry standard of tightening until snug and then giving an additional one quarter turn of the tool as deemed reasonable for the application (i.e.: at the installer’s discretion).
  • Page 12 12 of 12 Torque Specs. for Structural Bolts This page is for use primarily when dealing with high-strength vehicle fasteners such as ROPS hardware that hold the structure together for safety. This page can also be used for other solid metal-to-metal joints. Do not use these high torque values on any of the following applications involving: tubing, plastic, nylon or rubber washers, threaded inserts, etc..

This manual is also suitable for:

Yanmar 1yansarrak

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