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Curtis Kubota L47 TLB Cab Installation & Owner's Manual

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While this cab kit was designed to fit on the vehicle(s) listed above, manufacturing tolerances and vehicle
assembly may affect cab fitment. It is the responsibility of the cab installer to check all vehicle pedals and levers
for full functionality and, as required, adjust the cab fitment to prevent any interference of the cab components
with the travel of pedals or levers.
Available Options:
1. Rear Closeout Panel for Operation When Backhoe is Removed (P/N: 1KTLBL47RP)
2. Optional Rear Hydraulics Closeout panel for tractors with optional rear remote hydraulics installed (P/N: 1KTLBL47HYD)
3. Front or rear Round LED Work Lights (fits both L47 and M62) (P/N: 1KTLBLEDWL) (shown above)
Approximate Installation Time *
Experienced Dealer Technician – 6-8 Hours
Average Dealer Technician – 8-10 Hours
Do-It-Yourself – 10-14 Hours
(*=Not including accessories)
The contents of this envelope are the property of the owner. Leave with the owner when installation is complete.
Kubota L47 TLB Cab
P/N: 1KTLBL47
Shown with Optional Front and Rear Round LED Work Lights
Approximate Product Specifications
Fits Under the Factory Roof
Weight: 584 lbs.
Cab Width: 60-1/2" (3-1/2" wider than right fender)
1 of 37
Rev. G, 04-13-2022
p/n: IM-1KTLBL47

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Summary of Contents for Curtis Kubota L47 TLB Cab

  • Page 1 1 of 37 Kubota L47 TLB Cab P/N: 1KTLBL47 While this cab kit was designed to fit on the vehicle(s) listed above, manufacturing tolerances and vehicle assembly may affect cab fitment. It is the responsibility of the cab installer to check all vehicle pedals and levers for full functionality and, as required, adjust the cab fitment to prevent any interference of the cab components with the travel of pedals or levers.

  • Page 2: Table Of Contents

    2 of 37 TABLE OF CONTENTS TABLE OF CONTENTS INTRODUCTION SAFETY INFORMATION GENERAL INFORMATION INSTALLATION 6-23 OPERATION 24-30 TROUBLESHOOTING SERVICE PARTS BREAKDOWN 32-36 TORQUE CHART...

  • Page 3: Introduction

    3 of 37 INTRODUCTION 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 and owner’s manual fully prior to installing the cab.
  • Page 4 4 of 37 DECALS AND PLACEMENT IMPORTANT: Keep all decals clean and legible. Replace all missing, illegible, or damaged decals. IMPORTANT: Decal placement locations shown are approximate; decals should not be placed in a loca- tion where the operator’s field of view is impeded, and should not cover any portion of other decals installed in the same vicinity.

  • Page 5: General Information

    Your machine may be configured differently (e.g. SP1 vs. SP2, etc.), but the outline for the procedure should still be followed. For further support for any issues not covered within the pages of this manual, please contact Curtis Industries. TOOLS REQUIRED:...

  • Page 6: Installation

    6 of 37 INSTALLATION STEP 1: Vehicle Prep 1.1 Remove and save the Slow Moving Vehicle (SMV) sign and bracket (see Figure 1.1). 1.2 Unplug and remove the round directionals from the rear of the vehicle (see Figure 1.2). 1.3 Unplug and remove the optional work lights and brackets (if installed) from the ROPS at the rear of the vehicle (see Figure 1.3).
  • Page 7 7 of 37 INSTALLATION STEP 1: Vehicle Prep Cont. 1.6 Remove the hydraulics cover that is located on the 2-3/4” right side of the tractor beneath the floorboard. Mark out according to Figure 1.6 and cut as shown. Touch up the edge with a paint marker and re- install.
  • Page 8 8 of 37 INSTALLATION STEP 2: Cowl Assembly 2.1 Slide cowl over vehicle dash board (see Figure 2.1). 2.2 Fasten the bottom cowl flanges to the vehicle floor board (see Figure 2.2). Repeat on opposite side. Leave bolts loose. Hardware Used 5/16-18 x 3/4 Hex Head Flanged Cap Screw 5/16-18 Flanged Nylon Lock Nut STEP 3: Windshield Support...
  • Page 9 STEP 4: Rear Panel Note: If installing this cab on a tractor with optional rear remote hydraulics installed, Curtis kit 1KTLBL47HYD must be installed. Refer to Step 1 in the installation manual for the kit before installing the following rear panel otherwise there will be an interference.
  • Page 10 10 of 37 INSTALLATION STEP 5: Left Side Frame Cont. 5.3 With assistance, set the left side frame up under the roof and onto the floor board and fasten the side frame to the windshield support (see Figure 5.3). Use the top hole on 3/4”...
  • Page 11 11 of 37 INSTALLATION STEP 5: Left Side Frame Cont. 5.5 Install two 1” long bolts and two nuts through the rear panel, upper rear mount, and sideframe. (see Figure 5.5) Nuts Leave hardware loose. 1” Screws Hardware Used 5/16-18 x 1 Hex Head Flanged Cap Screw 5/16-18 Flanged Nylon Lock Nut 5.6 Install a 3/4”...
  • Page 12 12 of 37 INSTALLATION STEP 6: Right Side Frame 3/4” Long Screw 6.1 Disconnect the gas shock at the top of the right door and remove the door with assistance by unlatching at the front via the outer handle button or inside lever, and lift the door off the hinge pins.
  • Page 13 13 of 37 INSTALLATION STEP 6: Right Side Frame Cont. 6.6 Fasten the ROPS clamp to the side frame (see Fig. 6.6). Leave hardware loose. Hardware Used 5/16-18 x 1 Hex Head Flanged Cap Screw 6.7 Fasten the side frame to the side of the cowl (see Figure 6.7).
  • Page 14 14 of 37 INSTALLATION STEP 7: Rear Corner Fillers Fender Bolt and Nut 7.1 Remove the rearmost fender bolts (both left and right sides) and save for reuse. 7.2 Install the left rear corner filler to the vehicle (see Figures 7.1 and 7.2).
  • Page 15 15 of 37 INSTALLATION STEP 8: Lower Rear Panel Brackets 5/16-18 Screws 8.1 Remove the bottom M14 bolt from the side of the ROPS tube and save for re-use. Note: Do not remove both bolts at the same time as the ROPS may settle and is difficult to reposition.
  • Page 16 16 of 37 INSTALLATION STEP 10: Tighten all bolts 10.1 Torque all 5/16-18 bolts to 19 ft-lbs. (25.8 N-m) in the following order: Qty 3: windshield support to side frames. Qty 4: ROPS brackets to side frames. Qty 6: cab floorboards to tractor floor pan. Qty 4: upper rear mounts to ROPS.
  • Page 17 17 of 37 INSTALLATION STEP 14: Windshield Wiper 14.1 Remove the large hex nut, plastic washer, and rubber washer from the motor shaft making sure to leave the black plastic standoff on the motor shaft. Put the large white nylon bushing with the collar over the shaft as shown in Fig.14.1.
  • Page 18 18 of 37 INSTALLATION STEP 15: Windshield Wiper Blade Screw 15.1 Connect the windshield wiper blade and arm together. 15.2 Lift the locking tab on the underside of the wiper arm and extend the wiper arm to the desired length. The angle of the blade can be adjusted by loosening the small bolt on the top of the wiper arm.
  • Page 19 19 of 37 INSTALLATION STEP 16: Rear Panel Windows Note: if installing with the optional rear remote hydraulics, the small lower right window will not be installed. See install manual provided with 1KTLBL47HYD for more details. 16.1 Attach each of the three rear windows to the rear panel in the same manner as the windshield (see Figure 16.1).
  • Page 20 20 of 37 INSTALLATION STEP 18: Backhoe Cab 18.1 Fasten the backhoe cab footers to the backhoe floor board sides (see Figure 18.1, outriggers hidden for clarity). Place the 3/8 fender washer over the shoulder screw, then sandwich the 5/16 fender washer between the backhoe cab footers and the backhoe floor board sides.
  • Page 21 21 of 37 INSTALLATION STEP 18: Backhoe Cab Cont. 18.5 Fasten the backhoe cab to the backhoe cab footers, but be sure to leave the bolts loose (see Figure 18.5, outriggers hidden for clarity). Hardware Used 5/16-18 x 1 Hex Head Flanged Cap Screw 6 5/16 Flat Washer 5/16-18 Flanged Nylon Lock Nut 18.6...
  • Page 22 22 of 37 INSTALLATION STEP 19: Heater Hose Install 19.1 Raise the front loader bucket up and set the cylinder safety lock. 19.2 Install corrugated split-loom onto heater hoses. 19.3 With engine cold, open the hood, remove engine side shrouds, and drain the coolant from the radiator. 19.4 Remove plug and insert the supplied 90°...
  • Page 23 23 of 37 INSTALLATION STEP 19: Heater Hose Install 19.9 Remove plug from the water pump and insert straight fitting (from cab hardware kit) shown in Figure 19.9 into right engine tie in (return). Use pipe thread sealant. 19.10 Use hose clamps to fasten heater hoses to both left and right fittings.

  • Page 24: Operation

    24 of 37 OPERATION Console Controls NOTES: - Standard switches for Windshield Fluid and Heater Fan are located on the right side frame console. - All cab accessories are active only when the tractor ignition key is set to ACC or ON. All switches will be lit WIPER when power is available to the switch.
  • Page 25 25 of 37 OPERATION Air Circulation For fresh air intake, unpin and pull baffle control arm down to block interior vents as shown in Figure 1. To recycle cabin air, unpin and push baffle control arm in to block exterior vents as shown in Figure 2.
  • Page 26 26 of 37 OPERATION Door Removal and Installation: - Open the door to its widest extent allowed by the gas shock. Press the orange button on the end of the gas shock attached to the frame to remove that end from the ball stud. - Lift the door from the pins on the rear leg of the side frame.
  • Page 27 27 of 37 OPERATION 4. Keep the stabilizer pads at about 381 mm (15.0 in.) high. Removing the Backhoe CAUTION To avoid personal injury:  When star ng the engine, always sit in the tractor operator's seat.  When ge ng off the tractor, make sure that PTO lever is off...
  • Page 28 28 of 37 OPERATION 7. Set the swing lock pin to prevent the pivoting of the boom before removing the backhoe. (1) Inlet hose (2) Return hose (3) Swing inlet hose (1) Guide stop IMPORTANT: (2) Mount bar  (3) Support hook Install the dust plugs and the dust cap onto the tractor's hydraulic couplers and nipple to prevent contamination.
  • Page 29 29 of 37 OPERATION Storage of the Backhoe NOTE: 1. Store the backhoe in a dry place.  The optional three point hitch can now be reinstalled 2. Apply a coat of grease to all exposed cylinder rods to on the tractor for use with other rear mount prevent rusting.
  • Page 30 30 of 37 OPERATION 5. Connect the three hoses of the backhoe to the tractor Reinstalling the Backhoe and align the hoses in the position as shown. WARNING To avoid personal injury:  When star ng the engine, always sit in the tractor operator's seat.
  • Page 31 31 of 37 OPERATION 8. Move the boom to fully raising position and raise the backhoe by operating the stabilizers until the mount bar on the backhoe main frame are slightly higher than the tractor main frame support hooks. NOTE: ...

  • Page 32: Troubleshooting

    32 of 37 TROUBLESHOOTING FRONT DOOR TROUBLESHOOTING Condition Possible Solution   Door latch and striker pin don’t line up vertically Loosen striker pin and move up or down.  Use (2) 3/4” wrenches to adjust striker pin.  Door latch and striker pin don’t line up horizontally ...
  • Page 33 33 of 37 L47 SERVICE PARTS BREAKDOWN COWL ASSEMBLY WINDHIELD SUPPORT ASSEMBLY WINDHIELD ASSEMBLY P/N: 8SV-KL47-05 P/N: 8SV-KL47-02 P/N: 8SV-KL47-17 REAR PANEL REAR PANEL WIN- REAR PANEL WIN- ASSEMBLY DOW, UPPER, RIGHT DOW, LEFT HEATER REAR DUCT P/N: 8SV-KL47-06 P/N: 8SV-K6247-21A P/N: 8SV-K6247-21B P/N: 8SV-KL47-22 LOWER REAR FILLER, LEFT...
  • Page 34 34 of 37 L47 SERVICE PARTS BREAKDOWN UPPER REAR MOUNT, BACKHOE FOOTER, UPPER REAR MOUNT, BACKHOE FOOTER, LEFT LEFT RIGHT RIGHT P/N: 8SV-KL47-18L P/N: 8SV-KL47BCFT-L P/N: 8SV-KL47-18R P/N: 8SV-KL47BCFT-R REAR PANEL, LOWER REAR PANEL, LOWER HAND SCREW ASSEMBLY ROPS CLAMP BRKT ROPS BRKT, LEFT ROPS BRKT, RIGHT P/N: 8SV-K6247-HSA...
  • Page 35 35 of 37 L47 SERVICE PARTS BREAKDOWN SIDEFRAME, LEFT DOOR ASSEMBLY, P/N: 8SV-KL47-09L SIDE WINDOW LEFT ASSEMBLY, LEFT P/N: 8SV-KL47-07L P/N: 8SV-K6247-12L SIDEFRAME, RIGHT DOOR ASSEMBLY, SIDE WINDOW BOTTOM SIDEFRAME RIGHT ASSEMBLY, RIGHT P/N: 8SV-KL47-09R WINDOW, RIGHT P/N: 8SV-KL47-07R P/N: 8SV-K6247-12R P/N: 8SV-KL47-30...
  • Page 36 36 of 37 L47 SERVICE PARTS BREAKDOWN TRIM LOK, 5/8" STD 1" ROUND 1/2" EXPAND-A- 3/4" SIDE BULB, WINDOW ARCH PSA 3/4" SIDE BULB, STD, BULB, BULB, 1/16" WEATHER FOAM 1/4 X 3/4” 1/4" GRIP RUBBER 1/16" GRIP 1/16" - 1/8" 1/16"...

  • Page 37: Torque Chart

    37 of 37 BOLT TORQUE BOLT TORQUE SPECIFICATIONS GENERAL TORQUE SPECIFICATION TABLE Use the following torques when special torques are not given. These values apply to fasteners as received from suppliers, dry, or when lubricated with normal engine oil. They do not apply if special graphited or moly disulphide greases or other extreme pressure lubricants are used.

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