Douglas Dynamics 77800-3 Manuale di istruzioni per l'installazione - Pagina 11
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Stampa la paginaOPERATIONAL TEST 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 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 valve manifold adjusts the blade drop
speed.
1. Lower the blade to the ground before making any
adjustment.
2. Remove the hydraulic unit cover.
3. Turn the quill IN (clockwise) to decrease drop
speed. Turn the quill OUT (counterclockwise) to
increase drop speed.
4. Stand 8 feet clear of the blade when checking
adjustment.
5. Replace the cover.
Lit. No. 52524, Rev. 05
Quill
FINAL INSPECTION AND ADJUSTMENT
Keep 8' clear of the blade when it is being
raised, lowered, or angled. Do not stand
between vehicle and blade or directly in front
of the blade. If the blade hits or drops on you,
you could be seriously injured.
1. Check that the trip springs are adjusted correctly
by confirming that the coils of the springs are
separated slightly.
Overtightening of the springs will increase
the blade trip force and cause damage to the
springs and snowplow assembly.
2. Adjust the trip springs by tightening the top nuts
until the coils of the springs begin to separate
(a piece of paper such as this instruction sheet
should pass between the second and third coils).
3. Fully angle the blade in both directions in raised
and lowered positions. Adjust hose fittings, wraps,
and clamps so that the hoses do not contact the
vehicle bumper, have no sharp bends, and are
wrapped at contact points with, and do not become
pinched between the headgear and A‑frame.
4. Add grease to the two hitch pins.
Use a good quality
multipurpose grease.
11
WARNING
CAUTION
July 15, 2020