MTD 390-674-000 Assembly & Operation Download Page 5

STEP 2; SEE FIGURE 4: 

Install Brackets, Left and Right (1&2) 

For 1990 to 2003 Economy Models 

 

A. Remove the bolts at Reference N.  Drill the 
hole out to 5/16”.    

 

B.  Insert a 5/16” x 1 3/4” bolt inwards through 
the lower hole in the Bracket and then the 
handlebar.  Add a locknut do not tighten at this 
time.

 

 

C.  Remove the carriage bolt at Reference P.  
Insert a 5/16” x 1 3/4” bolt through the Bracket 
and handlebar.  Add a locknut.  Do not tighten 
at this time.  

 
 
STEP 2; SEE FIGURE 5: 

Install Brackets, Left and Right (1&2) 

For 1985 to 1990 Models 
 

A.  Remove the carriage bolts at Reference Q.  
Insert a 5/16” x 1 3/4” bolt through the Bracket 
and handlebar.  Add a locknut.  Do not tighten 
at this time. 
 
B.  Place the 1 1/4” U Clamp over the 
handlebar open end forward.  Insert a 5/16” x 1 
3/4” bolt inwards through the clamp.  Place the 
lower hole of the Bracket over the bolt on the 
inside of the handlebar.  Add a nut.  Do not 
tighten at this time.   

 
 
 
STEP 2; SEE FIGURE 6: 

Install Brackets, Left and Right (1&2) 

For Pre 1985 Models 
 

A.  Place the 1” U clamps against the top of the 
control panel open end up.  Insert 5/16” x 1 
3/4” bolts inwards.  Add locknuts.  Do not 
tighten at this time. 
 
B.  Place the 1” U Clamps open end pointed 
down over the handlebar.  Insert 5/16” x 1 3/4” 
bolts inwards.  Add locknuts.  Do not tighten at 
this time. 

 
 

 

Figure 4

         

1990 to 2003 Economy Models 

 FIGURE 5                       1985 to 1990 Models 

 FIGURE 6                            

 

Pre 1985 Models 

 
 

                                                                     5 

Summary of Contents for 390-674-000

Page 1: ... Model 390 674 000 PARTS LIST ASSEMBLY OPERATION IMPORTANT READ THIS ASSEMBLY MANUAL CAREFULLY AND KEEP FOR FUTURE REFERENCE REMOVE THE VINYL COVER BEFORE TRANSPORTING THE SNOW BLOWER IN AN OPEN TRUCK OR TRAILER 9550704 1 ...

Page 2: ...y occur DO NOT CLEAN THE CLEAR PLASTIC WINDOWS WHEN THE PLASTIC IS DRY THE CLEAR PLASTIC WILL SCRATCH B Avoid contact with plastic windows Keep plastic windows clean by washing them with clear running water and rubbing with your bare hands only The use of a rag sponge or brush will scratch the plastic Liquid soap may also be used for window cleaning During freezing weather an automotive windshield...

Page 3: ...E 7 9354 B 1 VINYL COVER 8 9234 4 1 U Clamp 9 2236 2 1 1 4 U Clamp 9548 1 HARDWARE PACKAGE Contents Listed Below 0788 6 1 4 20 X 3 4 Cap Screw 0926 2 1 4 20 X 1 Cap Screw 6653 2 1 4 20 X 2 Cap Screw 4556 4 1 4 Fender Washer 0730 10 1 4 20 Two Way Locknut 1175 4 5 16 18 x 1 3 4 Cap Screw 0729 4 5 16 Two Way Locknut 7929 2 Caplug STEP 1 SEE FIGURE 1 Use figure one to identify all of the steel frame ...

Page 4: ...sert a 5 16 x 1 3 4 bolt inwards through the clamp Place the lower hole of the Bracket over the bolt on the inside of the handlebar Add a nut Do not tighten at this time STEP 2 SEE FIGURE 3 Install Brackets Left and Right 1 2 For 1990 to 2003 models A Attach bottom end of Bracket with a 1 U Clamp and 5 16 x 1 3 4 bolt and locknut Keep U Clamp open end up with Bracket on the outside Do not tighten ...

Page 5: ...1 3 4 bolt through the Bracket and handlebar Add a locknut Do not tighten at this time B Place the 1 1 4 U Clamp over the handlebar open end forward Insert a 5 16 x 1 3 4 bolt inwards through the clamp Place the lower hole of the Bracket over the bolt on the inside of the handlebar Add a nut Do not tighten at this time STEP 2 SEE FIGURE 6 Install Brackets Left and Right 1 2 For Pre 1985 Models A P...

Page 6: ... a locknut refer to detail B B Be sure that the tabs on the Rear Vertical Bow are towards the front of the cab C Position the bolt on the inside of the cab with a fender washer on each side of the framework D Position the Bracket on the inside of the assembly with the Rear Vertical Bow in the middle and the Horizontal Bow on the outside Do not tighten bolts at this time STEP 5 SEE FIGURE 7 A Attac...

Page 7: ...7 1 2 3 4 5 6 Figure 7 ...

Page 8: ...inyl Cover 7 over the framework A Place the Vinyl Cover over the frame and secure all of the snaps B Place a caplug over the exposed threads of the 1 bolt on both sides at Reference C MTD customer service 1 800 800 7310 8 7 Figure 8 C ...

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