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4

 
 
 
4. Put the 2 bolts back in the flange that goes over the rotor housing. 
Install 2 bolts and washer in the rear and top that secures the support 
to gear box cover using a 19 mm socket (top holes are bolt and nut-
bottom threads into cover) 

*At this point you will need to go back and tighten all 

bolts in the 

assembly thus far as well as inserting the other two bolts 
into the gear box cover 

 

 

5.

 Using a 24 mm socket, attach the tongue to the support with the two 

8.8 x 80 mm bolts( one on each side) Do not tighten the nuts tightly – 
you want to allow the tongue to pivot on the bolts. 

 

 
6. Attach the jack stand to the tongue with the cotter key provided in 
the bag of parts.  It is a good idea to grease the jack before 
installing it. 

Top of gear 
box cover 
 
Support 

Содержание MH 420

Страница 1: ......

Страница 2: ...2 1 Components of the crate There will also be a bag of parts Guards Tines Pto shaft Gearbox cover Support Outer wheels Jack Jack stand cylinders Right arm Left arm Tongue Central unit ...

Страница 3: ...ave to grind the edges of the cover for it to fit properly 3 Remove the 2 bolts from rotor housing on each side and pivot the gear box cover forward so that support can be installed with the bolt holes in the cover aligned on top Put the 2 bolts back in the flange that goes over the rotor housing There are three bolt holes on this flange In this step only replace front bolt so that it can pivot fo...

Страница 4: ...k and tighten all bolts in the assembly thus far as well as inserting the other two bolts into the gear box cover 5 Using a 24 mm socket attach the tongue to the support with the two 8 8 x 80 mm bolts one on each side Do not tighten the nuts tightly you want to allow the tongue to pivot on the bolts 6 Attach the jack stand to the tongue with the cotter key provided in the bag of parts It is a good...

Страница 5: ... jack to keep the weight on the unit shifted forward to the jackstand to prevent the unit from flipping backwards 8 Remove the rubber pads with a 13mm socket on each side before attaching the arms to the central unit Take out the 2 grease able bolts that are in the yokes with a 35 mm socket Make sure to remove all paint with emory cloth before attaching the arms be sure that the grease holes are n...

Страница 6: ...haft is at 12 00 and install the keyway provided It is also important to be sure there is no paint on the shaft You will also need to buff the paint from the yokes inside of central unit outside of the arm so that there is no problem with fitting This is also a good time to grease the universal joints on the arm Before installing the arm to the central unit with the keyway at 12 00 and the arm yok...

Страница 7: ...the grease bolts back in to hold the arm on the unit and place the rubber covers back into place 12 Install the outer guard for the unit with the 2 bolts provided in the outer rotor housing you will need 19mm socket ...

Страница 8: ...ble kit You will need to carefully try to remove any paint from the cylinder shaft After the cylinder is secure push upward on the arm and lock into place 13 Attach the manual rope release with the rope thimbles and rope clamps provided One rope is longer than the other After each is attached to either side simply pull taut and clamp together for one pull Release Lock ...

Страница 9: ...the adapter into the other end of the on off valve using a 27mm wrench There is a brass fitting that goes between the adapter and the tractor end fitting 15 Attach the short hoses to the main hose using the compression tee fitting 19mm wrench Be sure to apply the pipe dope to the threads of the compression fitting Hose Valve Washer w insert Adapter Brass washer Tractor end ...

Страница 10: ... the safety cover around the input shaft before attaching the pto shaft The unit is now ready to attach the tines 17 The tines are already mounted on the arms You will need to make sure that the arms are mounted so that the tines are facing the right direction Brass washers Hydraulic hose Attaching bolt Arms mount with two bolts on underside ...

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