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Lit. No. 49591, Rev. 05 

July 15, 2020

27775, 28069, 57000, 57000‑1, 57000‑3

HEADGEAR TO A‑FRAME ASSEMBLY

NOTE: For easier assembly and installation, 

vehicle and all snowplow components should 

be on a smooth, level, hard surface, such as 

concrete.

1. 

Set aside the blade guides and parts bag. The 

vehicle electrical harnesses and the Owner's 

Manual packet are in the bag with the headlamp 

box.

2. 

Remove the packaging hardware securing the 

headgear to the A‑frame, except the clevis pins 

and red shipping brackets.

3. 

Remove the blocking and hardware securing the 

A‑frame to the pallet.

4. 

While supporting the headgear, remove and 

retain the four pins, and discard the red shipping 

brackets.

5. 

Align the holes in the headgear assembly with 

the middle hole in the A‑frame assembly. Attach 

the A‑frame to the headgear with two step pins 

and 1/4" x 1‑1/2" cotter pins. Insert the step pins 

from the outside of the headgear. Verification of 

proper A‑frame position will be made during final 

adjustments.

1/4" x 1-1/2"

Cotter Pin

A-Frame

Headgear

Assembly

Step

Pin

Summary of Contents for 27775

Page 1: ...ific vehicle application recommendations before installation The eMatch selection system has specific vehicle and snowplow requirements SD Series Snowplows Installation Instructions Fisher Engineering...

Page 2: ...dous situation that if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices WARNING CAUTION AND INSTRUCTION LABELS Become familiar with and inform u...

Page 3: ...ARNING Hydraulic fluid under pressure can cause skin injection injury If you are injured by hydraulic fluid get medical attention immediately SAFETY PRECAUTIONS Improper installation and operation cou...

Page 4: ...orque values apply to fasteners except those noted in the instructions Torque ft lb Grade 5 Grade 8 Size Size Torque ft lb Class 8 8 Class 10 9 Torque ft lb Class 8 8 Class 10 9 Inch Fasteners Grade 5...

Page 5: ...ring the headgear to the A frame except the clevis pins and red shipping brackets 3 Remove the blocking and hardware securing the A frame to the pallet 4 While supporting the headgear remove and retai...

Page 6: ...BLY 1 Align the pivot pin hole on the A frame with the pivot pin hole on the blade 2 Install the pivot pin from the top Secure with a 1 4 x 2 cotter pin at the bottom 3 With the blade in normal operat...

Page 7: ...filled and fully tested 1 Attach the snowplow to the vehicle according to the instructions on the headgear 2 Remove the cover of the hydraulic unit 3 Remove and discard the factory installed pipe plu...

Page 8: ...rubber washer must be installed under the slotted holes Hand tighten fasteners 4 Connect the headlamp wires to the headlamps 5 Aim the headlamps according to the Snowplow Headlamp Beam Aiming Instruct...

Page 9: ...length as the chain on the driver s side 4 Reattach the loose end of the lift chain to the passenger s side of the A frame with the retained U bolt and locknuts The chain must be the same length on bo...

Page 10: ...ecting pins to engage the vehicle pushplates while pushing back on the headgear Adjust the connecting link up one link from the factory setting If there is too much slack in the lift chain adjust the...

Page 11: ...ctionality of the snowplow DRLs will depend on the type of module installed on the vehicle With the headlamp switch OFF activate the vehicle DRLs Snowplow lighting harness DISCONNECTED Vehicle DRLs sh...

Page 12: ...rations or specifications used Fisher Engineering or the vehicle manufacturer may require or recommend optional equipment for snow removal Do not exceed vehicle ratings with a snowplow Fisher Engineer...

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