Blade Drop Speed Adjustment - Western UltraMount MIDWEIGHT Installation Instructions Manual

OPERATIONAL TESTS AND FINAL ADJUSTMENTS

BLADE DROP SPEED ADJUSTMENT

WARNING
Keep 8' clear of the blade when it is being
raised, lowered or angled. Do not stand
between the vehicle and blade or directly in
front of the blade. If the blade hits or drops on
you, you could be seriously injured.
The quill in the top of the valve manifold on the
passenger-side front corner of the hydraulic unit
adjusts the blade drop speed.
1. Move the driver-side lift chain from the lift arm
hook to the cable boot bracket on the side of the
upper lift frame.
2. Remove and retain the two hairpin cotters,
washers and pins attaching the lift arm to the lift
frame.
Lit. No. 49583, Rev. 02
3. Pivot the lift arm and lift ram forward and remove
4. Replace the two clevis pins, washers and hairpin
5. Turn the quill IN (clockwise) to decrease drop
Move chain
to here
6. Stand 8' clear of the blade when checking the
7.
8. Replace the hydraulic unit cover. Pivot the lift arm
9. Replace the two clevis pins, washers and hairpin
10. Move the driver-side lift chain back to the lift arm
13
the hydraulic unit cover.
cotters to reattach the lift arm to the lift frame.
speed.
Turn the quill OUT (counterclockwise) to increase
drop speed.
adjustment.
Remove and retain the two hairpin cotters,
washers and pins attaching the lift arm to the lift
frame.
and lift ram up.
cotters to reattach the lift arm to the lift frame.
hook.
Quill
June 1, 2016