INSTALLATION & OWNER S MANUAL This Curtis Cab is designed and manufactured for use only as reasonable weather protection. This cab is not applicable, Nor should the cab be considered as protection against roll over, collision or other accidents that may result. This cab is NOT a R.O.P.S. cab. Extreme care should be taken when operating and by qualified, experienced operators only. KUBOTA L48 CAB INSTALLATION INSTRUCTIONS FOR SOFT SIDED CAB ENCLOSURE (p/n: KU48) The contents of this envelope are the property of the owner. Be sure to leave with the owner when installation is complete. 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. ADDED WEIGHT Curtis Cabs, blades and general accessories add additional weight to the base vehicle. All Curtis accessory weights are listed in product brochures. Deduct the accessories total weight from the vehicles rated capacity and never exceed the vehicles rated capacity including driver and passenger. Rev. E, p. of 9
DESIGN CONCEPT Curtis Cabs feature an assembly of parts designed for your vehicle which require adjustment and alignment of components to accommodate vehicle variations and provide proper weather protection. For accurate installation, proper operation, and years of satisfaction, please read and understand the installation instructions. 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. All Curtis accessory weights are listed in product brochures. Deduct the accessories total weight from the vehicles rated capacity and never exceed the vehicles rated capacity including driver and passenger. This Curtis Cab is designed and manufactured for use only as reasonable weather protection. This cab is not applicable, nor should the cab be considered as protection against roll over, collision or other accidents that may result. This cabs is NOT a R.O.P.S. cab. Extreme care should be taken when operating and by qualified, experienced operators only. 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 REMINDERS: A. Refer to parts diagram toward the back of this manual to help identify parts during the assembly process. B. 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 around all exterior fasteners. 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 metal washers as required. E. Apply a clear silicone sealant to seal any minor gaps that may occur due to vehicle variances. For example, windshield cowl to unitized frames. F. For best results, wipe down areas where velcro is to be applied with isopropyl alcohol. TOOLS REQUIRED: /2 IN. 3/8 DRIVE SOCKET 3MM 3/8 DRIVE SOCKET 4MM 3/8 DRIVE DEEP SOCKET 3/8 DRIVE RATCHET 22MM OPEN END WRENCHES 3MM OPEN END WRENCH 4MM OPEN END WRENCH /2 IN. OPEN END WRENCH p. 2 of 9
NOTE: This cab was designed to fit with loader number TL50.. VEHICLE PREP.. Remove the two mat retaining straps from the left side (shown in fig..). Remove one short mat retaining strap from the right side (Note: right side does not have a long retaining strap)..2 Remove both grab handles from fenders (shown in fig..)..3 Loosen the rear roof-to-roll-bar bolts on each side where shown in fig..3. (Note: socket goes up into access hole in roll bar). 2. INSTALL WINDSHIELD MOUNT BRACKET Fig.. Vehicle Prep. items 2. Loosen the large, innermost 4mm nut as shown. Remove, and discard the flat washer. Reuse the lock washer when attaching the windshield mount bracket. (see fig. 2.) Do not tighten, leave loose for now. 3. INSTALL REAR MOUNTS 3. Move or replace both the CAUTION and WARNING labels to new unobstructed locations before attaching rear mounts. (Original, unobstructed locations are shown in figures 3. & 3..). (Reference: the part numbers on the labels are as follows: Warning labels are #TA240-49332 and #3277-4925; Caution label is #35260-3493). 3.2 Remove 3 out of 4 of the 8mm flanged nuts as shown in fig. 3.2. Attach rear mounts as shown using the same 8MM flanged nuts that were just removed. access hole Fig..3 Access hole in roll bar nut closest to dash Fig. 2. Windshield Mount Bracket Fig. 3. CAUTION label Fig. 3.. WARNING labels Fig. 3.2 Install Rear Mount these 3 nuts p. 3 of 9
4. INSTALL REAR CROSS BRACE INDUSTRIES, LLC. 4. Start by diagonally loading one corner of the brace in between the roof and the top of the rear roll bar (see Fig. 4.) (brace is to be against the front side of the rear roll bar). Slide the cross brace all the way back (towards the roll bar) until the two slots in the flange of the cross brace are firmly seated against the two loosened roof bolts. (see fig. 4.. for proximity to nut access hole). 5. INSTALL REAR LEG 5. Remove one round, orange Heyco plug from each fender (ref.: in between the grab handle fender holes). Use two 5/6 x 3/4 long carriage bolts, plastic washers, steel washers, and locknuts to attach the rear leg to the fender as shown in fig. 5.. (Note: bolt heads to be up top as shown). Using three more bolts, attach the side and rear as shown in Fig. 5.. (Note: keep bolt heads, and plastic washers, on outside of cab. Locknuts on inside of cab). 6. INSTALL WINDSHIELD SUPPORT 6. Place windshield support as shown in fig. 6. (Note: the support should be between the roof and the top of the roll bar). 7. INSTALL FRONT LEG 7. Before installing the right front leg, apply two long pieces of velcro as shown. (Note: adhesive backed velcro should be applied to a clean, dry surface at room temperature) (For best results, wipe down area with isopropyl alcohol). The shorter 0 long piece is to go on the upper inside edge of the 90 degree flange at the base of the leg. The longer 26 long piece is to go on the inside vertical edge of the outer bend of the leg (see Fig. 7.). 7.2 Slide the leg in place on the vehicle from the side. 7.3 Reinstall the short mat retainer to attach the lower right leg (see Fig. 7.3). Use the original hardware that was removed in step.. Tuck mat back into place so it is lying flat. diagonal starting position Fig. 4. Load diagonally roll bar hole Fig. 4.. Locate as close to roll bar hole as possible two bolt heads here and one on back side of leg two bolt heads on top of fender Fig. 5. Attach to fender not this surface inside surface of windshield support Fig. 6. Install windshield support this surface Fig. 7. Install velcro two nuts here Fig. 7.3 Install right, front leg p. 4 of 9
8. INSTALL WINDSHIELD ASSEMBLY 8. Attach the left front leg to the bottom of the windshield frame with three 5/6 x 3/4 long carriage bolts as shown in fig. 8.. Align edges and tighten bolts. Install rubber ( flat bulb x 46 long) along inner contour (see Fig. 8..) 8.2 With assistance, install windshield/leg assembly. (Note: make sure the flat bulb rubber is all laying in one direction; towards the front of the tractor). Bolt in place, to the inside of the windshield support, with four 5/6 x 3/4 long carriage bolts, plastic washers, steel washers, and locknuts across the top as shown in fig. 8.2. (Note: the lower right side of the windshield frame is to be placed between the windshield mount and the right front leg so that it is sandwiched when it is bolted in the next step). 8.3 Attach lower left portion of windshield to the windshield mount bracket with two 5/6 x 3/4 long carriage bolts, plastic washers, steel washers, and locknuts as shown in fig. 8.3. For the right side, bolt through all three stock thicknesses, being sure that the middle piece is the windshield frame (see Fig. 8.3.). 8.4 Reinstall the two mat retainers (one short, and one long) on the left side as shown in Fig. 8.4 with the bolts for the short retainer going through the flange on the front leg. (Note: use the original hardware that was removed in step.). Tuck mat into place in mat retainers. locknuts bolt heads Fig. 8. Attach left leg (shown up side down) bulb rubber bolt here and two places on right side Fig. 8.. Install flat bulb rubber Fig. 8.2 Attach to inside surface of windshield support locknuts Fig. 8.3 Attach to windshield mount locknuts Fig. 8.3. Attach to windshield mount and right, front leg here Fig. 8.4 Reinstall mat retainers p. 5 of 9
9. INSTALL RECEIVER 9. With assistance, place the receiver in position as shown in Fig. 9.. Bolt in place using three 5/6 x 3/4 long carriage bolts, plastic washers, steel washers, and locknuts for the rear three hole pattern shown in Fig. 9.. Use two 5/6 x 3/4 carriage bolts to attach to the inside bend of the rear leg as shown in Fig. 9.. (Note; interior view of cab is shown). Use two 5/6 x 3/4 long carriage bolts, plastic washers, steel washers, and locknuts to fasten to the windshield and the windshield support (see Fig. 9..2). 9.2 At this time, align all edges, and tighten all fasteners (including snugging up the two rear roof-to-roll-bar bolts that were loosened in step.3). Note: on the roof bolts, do not overcompress the large rubber washers. 0. INSTALL VINYL DOORS Fig. 9. Receiver (rear side) here 0. Install vinyl doors onto hinges. Work the doors back and forth until the hinges are completely seated. Tighten the bolts holding the hinge pin to the rear leg. Adjust the hinges and striker bolts for proper engagement.. INSTALL REAR CURTAIN. Install the rear curtain by snapping in place on the inside of all three sides (down the two vertical sides, and across the top)..2 Apply self adhesive hook velcro inside the cab, two places per side. Two of each of the following sizes are required: wide x 3 /4 long, and wide x 9 long (see Fig..2). (Note: adhesive backed velcro should be applied to a clean, dry surface at room temperature) (For best results, wipe down area with isopropyl alcohol). two bolts Fig. 9.. Inside bend of rear leg 3 /4 long piece 9 long piece here Fig. 9..2 Receiver (front side) Fig..2 Apply self adhesive hook velcro p. 6 of 9
2. INSTALL FRONT FILLER 2. Temporarily position the right front filler as shown in Fig. 2. to assess where you will need to lay down 5/8 wide self adhesive hook velcro strips. Note: there is a clearance hole in the clear vinyl, rectangular window to accept the control stick lock. 2.2 Apply self adhesive velcro where shown in the photo (see Fig. 2.2). Note: three sides of the loader control box will require velcro, as well as the lower portion of the windshield frame, and lastly, all along the vertical side of the black plastic molded dash. (Note: adhesive backed velcro should be applied to a clean, dry surface at room temperature). (For best results, wipe down area with isopropyl alcohol). 2.3 Install the right front filler to the newly applied velcro. Fig. 2. Right Front Filler apply velcro here Fig. 2.2 Velcro locations p. 7 of 9
3. WIPER (ELECTRIC) 3. Install wiper motor per instructions included with the wiper kit. 4. PLASTIC NUT COVERS 4. Install 5/6 plastic nut covers on all interior locknuts. CARE & MAINTENANCE INSTRUCTIONS 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 the unit with commercial automotive cleaning products. Clean windows with glass cleaner. Vinyl components should be washed with a mild solution of warm soapy water. Clear vinyl can be easily scratched. Be careful cleaning frost or snow from windows. Do not roll curtains in cold weather. The windows become stiff and may crack. Keep windows clean. p. 8 of 9
KUBOTA L48 SOFT SIDED CAB PARTS LIST WINDSHIELD * STRIKERS KU48-08L KU48-02A KU48-08R * 3 DECALS * WEATHERSEAL (INSIDE AND ON FILLER) WINDSHIELD SUPPORT KU48-05 * REGULAR BULB RECEIVERS * WEATHERSEAL * REGULAR BULB * WINDOW * WEATHERSEAL REAR CURTAIN KU48-04 REAR MOUNTS KU48-00L KU48-00R WINDSHIELD MOUNT BRACKETS 2 KU48-0 FRONT LEGS * TUCK AWAY HEATER DECAL * WINDOW * -/8 HEYCO PLUGS (2) VINYL DOORS * OUTSIDE HANDLE KU48-03L KU48-03RA C * ARCH PSA (OPPOSITE OF SIDE SHOWN) KU48SS-07L KU48SS-07R * GRAB HANDLE * " HEYCO PLUG * DOOR LATCH * REGULAR BULB REAR LEGS * HINGE PINS, LH, RH * WINDOW * HINGE SLEEVES REAR CROSS BRACE * REGULAR BULB FRONT FILLER KU48-04L KU48-04R * REGULAR BULB STUD SNAPS (TO THE INSIDE) (6) * STUD SNAPS (TO THE INSIDE) (6 PLCS.) KU48-05RA KU48-02 A B * 5/8 SIDE BULB W/ /4" GRIP NOTE: THERE ARE TWO (2) DIFFERENT KINDS OF BULB RUBBER REQUIRED ON THE LOWER AND BACK CONTOURS OF THE DOORS. FROM A TO B, USE " SIDE BULB (FLAT) (SEE 9PRO4 PICTURE BELOW). FROM B TO C, USE " BULB (FLAT) (SEE 9PRO5 PICTURE BELOW). * IN HOUSE APPLICATIONS CABS/BLADES/SPREADERS/ACCESSORIES p. 9 of 9