p. 1 of 15 INSTALLATION & OWNER S MANUAL YANMAR Sc2450 cab kit with hard doors and soft rear curtain Curtis p/n: 1CYSC2450AS The contents of this envelope are the property of the owner. Be sure to leave with the owner when installation is complete. APPROXIMATE INSTALLATION TIME: 2 to 3 HOURS (excluding accessories) Shown with optional work lights. Optional Heater also available. Rev. C Revised: 12/12/2011)
p. 2 of 15 NOTICE Cabs, blades, and general accessories add additional weight to the base vehicle. Deduct the accessory s total weight from the vehicle s rated capacity including driver and passenger. Exposure to Carbon Monoxide can Cause illness, serious injury or death. Never operate vehicle if suspicious of Carbon Monoxide. Inspect exhaust system for leaks monthly. Leaks can result from loose connections, corrosion, cracks or other damage to the exhaust manifold. If leaks are found, repair or replace exhaust system. Do not use vehicle until repair or replacement is complete. CAB INSTALLATION BEFORE YOU START HELPFUL HINTS: A. Refer to parts diagram toward the back of this manual to help identify parts during the assembly process. B. To assist with the cab installation, leave all bolts loose for later adjustment unless otherwise specified. C. Read and understand all instructions before beginning. D. Plastic washers have been supplied to provide a weather seal under the heads of all exterior bolts. The plastic washer should be installed under each bolt head directly against the outside cab surface. Care should be taken not to over tighten the fasteners and damage the plastic washer. Also use steel washers as required. See diagram. E. Apply a clear silicone sealant to seal any minor gaps that may occur due to vehicle variations. F. Use caution to avoid damaging the factory installed threaded inserts. Begin the bolt engagement by hand to guard against potential cross threading. Fastener Steel Washer Plastic Washer Cab Surface TOOLS REQUIRED: Set of standard and metric sockets Set of standard and metric open end wrenches Scissors One Phillips Head and one Flat Screwdriver One 3/8 Drive Ratchet One 3/16 Allen Wrench (preferably T handle type) One 5mm Allen Wrench (preferably T handle type) Pliers
p. 3 of 15 1. VEHICLE PREP. 1.1 Per figures 1.1 and 1.1.1, use a flat screwdriver and pliers to remove three (3) plastic pine tree clips from the rubber mat on top of the floorboard on each side of the tractor. Repeat for opposite side. Discard all six. Six new clips will be installed in step 15.3. 1.2 Per figures 1.2 and 1.2.1, remove two (2) M8 bolts from underneath the rubber mat on each side of the tractor. Repeat for opposite side. Discard these short bolts. New, longer M8 button head bolts are supplied in the hardware bag. NOTE: hold on to the nut that retains the loader hydraulic line holder, and the holder, under the right side front bolt. Fig. 1.1 (plastic pine tree clips) remove 3 clips from here Fig. 1.1.1 (view from right side) remove 2 bolts from here Fig. 1.2. (view from right side) Fig. 1.2.1 (hydraulic line nut and holder)
p. 4 of 15 1. VEHICLE PREP. (cont d.) 1.3 Per figure 1.3, remove one M12 bolt from the bottom front area of the roll over protective structure. Repeat for opposite side of tractor. Discard both bolts. New, longer hardware is supplied. 1.4 Per fig. 1.4, loosen the large hex nut on the rear flasher lights and slide the assembly out the open ended slot in the bracket. Disconnect the wires under the fender and remove the light. Retain light and hardware for reuse. Repeat for opposite side. remove bolt from here Fig. 1.3 (view from left side) 2. SIDE FRAMES 2.1 For ease of handling, remove the door from the side frame by lifting up and off the pin hinges that are bolted to the side frame. 2.2 See fig. 2.2. With assistance, install the right side frame to the tractor. The floorboard of the side frame is to be underneath the rubber mat. Use a 5mm Allen wrench and the following hardware: two M8 button head bolts (use longer of four bolts in front hole) and two steel washers. Note: these thread into the original equipment weldnuts under the tractor floorboard. Use caution to avoid cross threading the weldnuts. Begin the thread engagement by hand. Leave bolts loose. Repeat for left side using shorter bolts in both holes. 2.3 Per fig. 2.3, install one of the supplied M12 bolts through the back of the frame into the ROPS structure where the factory bolts were removed in step 1.3. Repeat for opposite side. Fig. 1.4 lift rubber mat 2 bolts and washers here Fig. 2.2 (view from right side) bolt here Fig. 2.3 (view from inside the cab)
p. 5 of 15 3. COWL 3.1 Per fig. 3.1, install the cowl with the bent flanges up top and towards the inside of the cab. The arched piece of bulb rubber sits in the gap between the hood and the console as shown. 3.2 Per fig. 3.2, use the following hardware per side: three 5/16-18 x 3/4 long button head bolts, three plastic washers, and three steel washers. Leave loose. Repeat for opposite side. bulb rubber to be in this gap as shown Fig. 3.1 (view from right front side of tractor) 4. WINDSHIELD SUPPORT 4.1 Per fig. 4.1, install the windshield support to the top front corner of the side frames. Orient the windshield support so the bent flanges are down and the decals are legible. Use the following hardware in the lower hole on each side: one 5/16-18 x 1 long button head bolt, one plastic washer, two steel washers, and one locknut. Locknuts to be on the inside of the cab. Repeat for opposite side. In the upper hole on each side, use 5/16-18 x 3/4 long carriage bolt, one steel washer, and one locknut. Locknuts to be on the inside of the cab. Align the sides of the windshield support with the outside of the side frame and tighten these four bolts at this time. use plastic washers here Fig. 3.2 (view from right front side of tractor) steel washer and locknut inside Fig. 4.1 (view from right rear side of tractor)
p. 6 of 15 5. ROLL BAR MOUNTS AND BRACKETS 5.1 Per fig. 5.1, install the right (gusset towards the top) roll bar bracket mount using the following hardware: two 5/16-18 x 3/4 long button head bolts, and two steel washers. Repeat for the left rear mount. 5.2 Per fig. 5.2, assemble the roll bar bracket to the roll bar bracket mount. Use the following hardware: two 5/16-18 x 1 long button head bolts, 4 steel washers, and two locknuts. The heads of the bolts are to be towards the outside of the tractor. Repeat for opposite side. Fig. 5.1 (view from right side) 6. WINDSHIELD 6.1 See fig. 6.1. Have the following items ready: four 5/16-18 x 1 3/4 long flat head bolts, 4 steel washers, 4 locknuts, and 2 plastic spacer blocks. With assistance, install the windshield hinges to the windshield support with the two spacer blocks between the hinge and the windshield support. Attach windshield latches to windshield latch receivers on the cowl by squeezing tabs to retract spring loaded pins. See fig. 6.1.1. Lift up on bottom of windshield and close latches. Check alignment of windshield with side frames and tighten hinge hardware. CAUTION: hinges are plastic components. Do not overtighten hardware. Torque to 7 foot-pounds max.. Fig. 5.2 (view from inside of cab) sandwich the plastic spacer block here Fig. 6.1 (view from left front side of tractor) latch receiver Fig. 6.1.1 (view from right rear side of tractor)
p. 7 of 15 7. ROOF 7.1 With assistance, position the roof with the angled corners at the back of the tractor. Per figure 7.1, latch the latches at the back of the roof onto the pins on the side frame. 7.2 Per figure 7.2, install the left and right pin hinges into the hinge sleeves on the underside of the roof. Attach to the windshield support with four 1/4" hex head bolts, steel washers, and lock nuts (washers to be on inside of cab). Make sure sides of roof are parallel with and centered on side frame and tighten the hinges. The roof latches are two position latches and should click into the second position, without leaving any gaps between the headliner of the roof and the top of the side frames. If necessary, the latches can be adjusted up and down to get a better seal or latch more easily. Additionally the hinges that mount to the roof are mounted in slots. If necessary, loosen the hardware on these hinges to adjust the roof front to back for better latch engagement. 7.3 With assistance, lift up on the back of the roof and install the supplied gas springs, with the rod end down, as shown in figure 7.3 NOTE: For backhoe operation, remove rear curtain (which will be installed in step 11) and release the roof latches, hinging roof up for additional clearance. latch roof to pins Fig. 7.1 (view from right side) install left and right hinge pins Fig. 7.2 (view of front left underside of roof) Fig. 7.3 (view from right side)
p. 8 of 15 8. TIGHTEN ALL BOLTS 8.1 Tighten all bolts including those under the floor mats, aligning parts as you go. NOTE: torque the large M12 bolts on the lower front of the ROPS back to the original equipment specifications to ensure full safety standards. Re-install (from step 1.2) the loader hydraulic line holder and nut after tightening the floorboard bolts. Figure 1.2.1 on page three shows these parts. Fig. 9.1 (hand knobs) 9. AIR INTAKE SHIELD 9.1 Install the shield using two supplied hand knobs per side (see figures 9.1). Note: hand knobs are used so the shield is easily removable for operator access to the battery and the front of the radiator for cleanouts. relief up top 9.2 Per figures 9.2 and 9.2.1, orient and install the shield so the half circle relief is up top as shown. Fig. 9.2 (view from rear of tractor) hand knobs Fig. 9.2.1 (view from right front side of tractor)
p. 9 of 15 10. VINYL FILLERS (qty.: 3) 10.1 Per fig. 10.1, install the under seat filler. Dry fit the filler in place and attach PSA hook Velcro onto the mating Velcro on the filler. Peel back the protective strip and adhere on to the tractor. Reminder: make sure the surfaces of the tractor are clean, dry, and at room temperature for best adhesion of the Velcro. 10.2 Per figures 10.2 through 10.2.3, orient the air intake shield filler so the pocket for the fuel fill cap is on the left. Apply PSA hook Velcro to the very bottom horizontal edge of the air intake shield. Apply PSA hook Velcro on the plastic tractor cowl (above the decals). Fit and install the remainder of the filler to match. seat shown tilted up 90 degrees rectangular filler Fig. 10.1 (view from right side of tractor) position the velcro above the decal ref.: pocket for fuel fill cap Fig. 10.2 (view from left side of tractor) position the velcro above the decal fuel cap is under here Fig. 10.2.1 (view from right side of tractor) Fig. 10.2.2 (view from left side of tractor) Fig. 10.2.3 (view from right side of tractor)
p. 10 of 15 10. VINYL FILLERS (cont d.) 10.3 Per fig.10.3, apply PSA hook Velcro along four sides of the rectangular air flow openings as shown. 10.4 Per fig. 10.4, install the final rectangular filler over the air flow openings onto the newly installed Velcro. Note: This filler is used in cooler weather to help keep heat in the cab. In warmer weather, the filler can be removed for increased air flow to the radiator. velcro all around perimeter of rectangular vent opening Fig. 10.3 (air shield vinyl filler) 11. SOFT REAR CURTAIN 11.1 Per figure 11.1, attach the supplied adhesive backed Velcro to the Velcro on the rear curtain cutting into strips as required. 11.2 Snap the top of the rear curtain to the inside of the roof, letting it hang between the roll bar and side frames. 11.3 Position the curtain along the back of the side frames and attach adhesive backed Velcro as shown in figure 11.3. Note: adhesive-backed velcro should be applied to a clean, dry surface at room temperature. 11.4 Position the curtain along the fender of the tractor and attach adhesive backed Velcro to the tractor as shown in figure 11.4 filler installed Sides folded to show outside Fig. 10.4 (air shield vinyl filler) Fig. 11.1 (soft rear curtain) Velcro Velcro Fig. 11.3 (view from right side of tractor) Fig. 11.4 (view from left rear side of tractor)
p. 11 of 15 12. DOORS 12.1 Apply grease to the pin hinges. With assistance, re-install the doors onto the pin hinges. Work the doors back and forth until the hinges are completely seated. Note: Specific adjustments can be made per steps 12.2 and 12.3. The top of door should end up visually parallel with side of roof. The door latch is a rotary type with two positions to close. Adjust door so that when fully closed door latch clicks twice for total engagement. 12.2 Per fig. 12.2, the large striker bolt and nut can be loosened and reset higher or lower or forward or back for better engagement in the door latch assembly if necessary. Use two 3/4 open end wrenches. Note: finger guard to end up being centered and facing inward. 12.3 Per fig. 12.3, the 1/4-20 hex head bolts on the door hinges can be loosened on the rear tube, or on the door itself, or in both places, in order to slightly rotate the door up or down as necessary for proper latch assembly and striker bolt engagement. Note: an assistant will be needed for this step. Keep the hinge sleeves fully seated on the pin hinges. Tighten all hinge bolts using caution to not over tighten. Over tightening will crush (damage) the structural tubing. Torque to 40 inch-pounds. Fig. 12.2 (striker bolt) EXTERIOR VIEW OF RIGHT SIDE DOOR CAUTION: FOR SAFE OPERATION, DO NOT DRIVE WITH DOORS OPEN. MAKE SURE DOORS ARE CLOSED AND PROPERLY LATCHED WHEN DRIVING. 13. LUBRICATION 13.1 Once the doors are properly adjusted, lubrication (preferably grease) can be applied to the striker bolts and door latch assemblies. Re-apply periodically as needed (same goes for the door pin hinges as necessary). Fig. 12.3 (right side door)
p. 12 of 15 14. FLASHER LIGHTS 14.1 Per fig. 14.1, install the flasher light to the hole in the side frame. Note: both washers (flat and lock) to be on the inside of the frame along with the hex nut. 14.2 Use the supplied wire and connectors to reconnect the lights to the wiring harness under the fender. Route the wires as shown in figure 14.2. 15. FINISHING TOUCHES 15.1 Install the gas shock to the frame and door with the small piston end towards the door. Press the button on the compression fastener to lock the gas shock to the ball stud. Fig. 14.1 (view from right side of tractor) 15.2 Install the supplied 5/16 nut covers on the interior hex locknuts by snapping over nut. 15.3 Install six (6) new plastic pine tree clips (3 per side) through the rubber floor mats. Press in place by hand. 15.4 Peel protective film from windows. 15.5 Install the front windshield wiper per the installation instructions included with the wiper kit. Route under the rubber seal Fig. 14.2 (view from right side of tractor) 16. CARE AND MAINTENANCE 16.1 Check and tighten hardware after 40 hours of operation. Periodically inspect and tighten hardware for the remainder of the unit s life. 16.2 Wash the painted surfaces of the unit with commercial automotive cleaning products. 16.3 Clean windows with glass cleaner. 16.4 Vinyl components should be washed with a mild solution of warm soapy water. 16.5 Clear vinyl can be easily scratched. Be careful cleaning frost or snow from rear curtain. Do not roll curtain in cold weather. The curtain becomes stiff and may crack. Keep curtain clean. install 3 pine tree clips per side Fig. 15.3 (view from right side of tractor)
YANMAR Sc2450 CAB PARTS LIST p. 13 of 15 COWL BLACK POLY WINDSHIELD LATCH MOUNTS 1 8SV-SC03-B5 WINDSHIELD 1 HINGES 8SV-SC02 WINDSHIELD SUPPORT BLACK POLY 1 8SV-SC5004-B5 SEAM BULB 1/2" WEATHER SEAL (L&R INSIDE) HEYCO PLUG 1" FLAT BULB (4) 5/16-18 3/4" INSERTS SIDE BULB (INSTALL FROM INSIDE) 1/4" GRIP & 2 WIPERS 1/2" WEATHER SEAL (INSIDE) LATCHES HEYCO PLUG DECALS (2 INSIDE) (USE CUB CADET SERIAL NUMBER DECAL) 5/8" REG. BULB AIR INTAKE SHIELD BLACK POLY 1/2" WEATHER SEAL (INSIDE) 1 8SV-SC10-B5 ROLL BAR MOUNTS BLACK POLY 1 SET 8SV-SC5013-B5 ROLL BAR BRACKET BLACK POLY 2 8SV-SC5012-B5 TRIM-LOK ARCH PSA 2 PCS. (BETWEEN SLOTS) ARCH PSA 2 PCS. (ALL 3 INSIDE SURFACES) LEFT 5/8" OFFSET SIDE BULB (TOP EDGE) RIGHT SIDE FRAMES BLACK POLY LEFT 1 RIGHT 1 8SV-SC509L-B5 8SV-SC509R-B5 MINI STRIKER W/ WASHER HINGE SLEEVES HARD DOORS BLACK POLY GRAB HANDLE LEFT 1 8SV-SC507L-B5 RIGHT 1 8SV-SC507R-B5 BALL STUD 1" HEYCO PLUG INSERTS BALL STUDS RIGHT LEFT DOOR LATCH RIGHT LEFT INSERTS 1" SIDE BULB LH & RH HINGE PINS & HINGE PLATES HEATER LABEL LATCH PIN TRIM-LOK, 5" LONG, THIS EDGE L&R FRAMES 5/16-18 INSERTS ARCH PSA 7/SIDE 1/4" x 3/4" EXPAND-A-FOAM (INSIDE, L&R FRAMES) DETAIL CIRCLE A SCALE 5X OUTSIDE HANDLE IN HOUSE APPLICATIONS 3/4" SIDE BULB ADDITIONAL SERVICE PARTS 2" GRIT PAPER OUTSIDE EDGE A DESCRIPTION 1 SC50-HWK HARDWARE KIT 1 9SV-HSLP DOOR HINGE KIT - LEFT AND RIGHT 1 9SV-IHRL DOOR LATCH KIT - LEFT AND RIGHT 1 9SV-OHRL OUTSIDE R-LATCH HANDLES W/ KEY (2) 1 9SV-DSTR DOOR LATCH STRIKER KIT (SET OF 5) 1 9SV-GH GRAB HANDLES (2) 1 8SV-SWC2L LEFT DOOR SLIDER ASSEMBLY W/ RUBBER 1 8SV-SWC2R RIGHT DOOR SLIDER ASSEMBLY W/ RUBBER 1 8SV-PG35LD ACRYLIC LOWER DOOR WINDOW W/ RUBBER 1 9SV-GS02 GAS SPRING, DOOR (TWO) 1 9SV-HWS WINDSHIELD HINGE KIT (2 HINGES) 1 9SV-WL1 WINDSHIELD LATCH KIT (2 LATCHES) 1 8SV-PGSCWSC ACRYLIC WINDOW IN COWL 1 9SV-SP ROOF STRIKER KIT (SET OF 5)
YANMAR Sc2450 CAB ROOF PARTS LIST p. 14 of 15 ROOF BLACK POLY 1 8SV-SC5001-B5 9YR-LL LATCH LEFT (SEE DETAIL D A GRAB HANDLE A SNAPS (8) (INSIDE) B B FRONT VISOR C LOW PROFILE HINGE SLEEVES (HS-P1) LATCH 9YR-LR RIGHT C 4 TRIM-LOK SIDES 10-32 X 3/4" BOLTS 3/16" NYLON WASHERS SECTION A-A GRAB 10-32 KEEP NUTS HANDLE 5/16-18 X 3/4" CARRIAGE BOLTS ROOF GAS 5/16" SAE FLAT SIDE SHOCK WASHERS OF ROOF MOUNT 5/16-18 NYLON LOCK NUTS BALL STUD SECTION B-B 7/16" ID NYLON WASHERS 5/16" SAE FLAT WASHERS 5/16-18 NYLON LOCK NUTS 5/16-18 X 3/4" BUTTON HEAD BOLTS 5/16" NYLON WASHERS LOW PROFILE HINGE SLEEVE SECTION C-C LATCH ORIENTED WITH WIDE OPENING TOWARDS CENTER OF ROOF MOUNT WITH 1/4-20 X 3/4" BOLTS LATCH MOUNT TAB DETAIL D (VIEWED FROM INSIDE OF ROOF) ADDITIONAL SERVICE PARTS /UNIT DESCRIPTION 1 9SV-GH 1 9SV-HSLP 1 9SV-RFL 1 9SV-GS02 1 9SV-GS02A 1 8SV-KAT414A-B4 GRAB HANDLE KIT (2 HANDLES) HINGES (4) ROOF LATCHES (1 LEFT, 1 RIGHT) GAS SPRINGS (2) BALL STUD (10) ROOF GAS SHOCK MOUNT (2)
p. 15 of 15 YANMAR Sc2450 CAB VINYL PARTS LIST AIR INTAKE SHIELD FILLER BLACK 1 8SV-SC10F1-VC UNDER SEAT FILLER BLACK 1 8SV-SC5016-VC REAR CURTAIN BLACK 1 8SV-SC5015-VC AIR INTAKE SHIELD SCREEN FILLER BLACK 1 8SV-SC10F2-VC