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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. 
 

 

 
CAB INSTALLATION 

BEFORE YOU START 

HELPFUL REMINDERS: 

            A. Leave all bolts loose for later adjustment unless otherwise specified. 
            B. Read and understand all instructions before beginning. 
            C. 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. 
           D. Apply a clear silicone sealant to seal any minor gaps that may occur due  
                to vehicle variances. For example, windshield cowl to unitized frames. 
 

TOOLS REQUIRED: 
           

   

 
  
                          

 

  This Curtis Cab is designed and manu- 
  factured 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 replace- 
ment is complete. 

  driver and passenger.

  exceed the vehicles rated capacity including

  from the vehicles rated capacity and never

  brochures. Deduct the accessories total weight

  Curtis accessory weights are listed in product

  add additional weight to the base vehicle. All

  Curtis Cabs, blades and general accessories

ADDED

WEIGHT

 7/16 IN. 
OPEN END 
 WRENCH 

   1/2 IN. 
OPEN END 
WRENCH 

    7/16 IN. 
  SOCKET 

   1/2 IN. 
   SOCK-

3/8 DRIVE 
RATCHET 

NO. 2 MEDIUM 
PHILLIPS HEAD 
SCREWDRIVER 

     3/8 IN. 
  ELECTRIC 
HAND DRILL 

  3/8 IN. 
DRILL BIT 

p. 2 of 10 

    15 MM 
  SOCKET 

    10 MM 
  SOCKET 

 3/16 INCH 
ALLEN 
DRIVE  
3/8 DRIVE 

   15 MM. 
OPEN END 
WRENCH 

Summary of Contents for 1JD3520AS

Page 1: ... 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 ...

Page 2: ...esigned and manu factured 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 Ne...

Page 3: ...h the lower rear panel use two 3 4 but ton head screws steel washers and nylon washers 2 2 With assistance and from the side of the tractor place the pre assembled unit behind the seat and in between the roll bar uprights Make sure the rubber seal that will rest on top of the fenders is facing outwards Secure the top of each rear leg to the roll bar using a roll bar bracket 5 16 x 1 long carriage ...

Page 4: ...b rubber approximately 52 along the sheet metal edges as shown in fig 3 2 Trim any extra bulb rubber 3 3 For all 20 series models example 3120 etc pre assemble the cowl and front legs as shown in fig 3 2 by fastening together at the inside hole only using two 5 16 x 3 4 long button head screws steel washers nylon wash ers and locknuts Locknuts to be on the inside surface of the cowl assembly Insta...

Page 5: ...n washers 5 FRONT WINDSHIELD SUPPORT 5 1 Install the front windshield support to the side frames with the bent flange down Install only the bottom two 5 16 x 3 4 long button head screws steel washers nylon washers and locknuts see fig 5 1 Note the top holes will get fasteners once the roof is installed 6 WINDSHIELD 6 1 With assistance install the windshield to the windshield support see fig 6 1 Us...

Page 6: ...n dow Note the Phillips head portion of the screw is to be on the outside of the window The base of the ball stud goes against the inner surface of the window with the boss sitting inside the window hole Next the plastic countersunk washer goes on the outside window surface Bolt these compo nents together making sure that the ball portion of the ball stud is facing the outside edge of the window a...

Page 7: ...s and locknut Trim floor mat as neces sary to lay flat over side frame then re install the plastic pins to secure the floor mat 10 DOORS 10 1 Install doors onto hinges see fig 10 1 Work the doors back and forth until the hinges are completely seated NOTE the hinges inside latch and striker bolt can also be adjusted for proper engagement 10 2 On hard sided cabs install the gas springs to the frames...

Page 8: ... applied to a clean dry surface at room temperature NOTE left driver s side shown repeat for opposite side 12 4 Install 20 series vinyl fillers as shown in figure 12 4 for 31 33 35 3720 se ries tractors by applying self adhesive hook velcro as needed along the un der dash area and front legs NOTE adhesive backed velcro should be ap plied to a clean dry surface at room temperature NOTE left driver ...

Page 9: ...ELD 1 JD3520 17A 9BM01 OUTSIDE LEFT 1 JD4210 11L 1 JD4210 11R BUMPERS RIGHT QTY P N SUPPORT QTY P N FRONT LEGS RIGHT HEYCO LEFT 1 2 WEATHER SEAL INSIDE HEYCO PLUGS 10 SERIES COWL 1 FLAT BULB PLUGS 1 JD4120 04 SERIAL OPTIONS R O P S DECALS INSIDE 1 JD3520 15L LEFT 1 JD3520 15R RIGHT QTY P N 20 SERIES FRONT FILLERS SEAL INSIDE 1 2 WEATHER 1 JD4120 10R 1 JD4120 10L 1 FLAT BULB QTY P N REAR PANEL RIGH...

Page 10: ... 1 JD3520 08 INSERT WINDSHIELD LATCH 10 SERIES COWL SUPPORT LEFT SEAL INSIDE 1 2 WEATHER HEYCO PLUGS RIGHT DECALS INSIDE SERIAL OPTIONS R O P S 20 SERIES 1 JD4120 04 SEAL INSIDE 1 FLAT BULB WINDSHIELD RIGHT QTY P N 10 SERIES LEFT 1 2 WEATHER HEYCO PLUGS 1 JD4120 10L 1 JD4120 10R LEFT RIGHT BULB 2 PCS ALL 3 P N QTY JD3520SS 07L 1 LEFT INSIDE SURFACES 2 JD4210 12 WEATHER SEAL 5 16 INSERTS 1 FLAT BUM...

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