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Vertical Express I-2 - Page 67

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I-2 / I-3 Valve Reference Material
August 2019 - 89130 v.3.0 65
Quick Reference
(continued)
Valve Adjustment Effects
VALVE ADJUSTMENT EFFECTS
SLOW
DOWN
STOP
SLOW
DOWN
START
START
STOP
UP PILOT
DOWN PILOT
IN = SMOOTHER START
(MAY LIMIT HIGH SPEED
IN CONJUNCTION WITH
STOP)
DOES NOT AFFECT STOP
IN = SOFTER STOP & FIRMER START
AFTER PROPER LEVELING SPEED IS SET, THEN
FINE TUNE STOP, THEN FINE TUNE START
IF SET TOO SOFT MAY
OVERSHOOT FLOOR
IN = SHORTER LEVELING ZONE *
IN = SOFTER SLOWDOWN
SENSITIVE ADJUSTMENT
IN = INCREASE IN LEVELING SPEED
IN = SMOOTHER START
HAS NO EFFECT ON
OTHER ADJUSTMENTS
SETITFIRSTANDDONOTCHANGE.
AFFECTS ALL DOWN SIDE ADJUSTMENTS
IN = SOFTER STOP
IN = LOWERS LEVELING SPEED
IN = INCREASES LEVELING ZONE**
IN = MORE ABRUPT SLOWDOWN
LOW PRESSURE
UP LEVELING
DOWN SPEED &
DOWN LEVELING
PISTON
IN = CLOSES REGULATOR
& SOFTENS SLOWDOWN
IN = INCREASES LEVELING SPEED
IN = INCREASES RELIEF PRESSURE
RELIEF
CAN’T ADJUST WITH LOAD ON THE
PISTON - THE CAR MUST BE MOVING
UP OR DOWN OR
ON BUFFERS.
IN = REDUCES SPEED (HIGH DOWN
SPEED MUST BE ADJUSTED IN
1/2 TURNS)
FOR LEVELING - ADJUSTMENT IS
VERY SENSITIVE -
USE SMALL INCREMENTS
** DOWN LEVELING IS AFFECTED
BY DOWN SLOWDOWN - RECHECK
LEVELING AFTER MAKING FINAL
SLOWDOWN SETTING
UP FAST UP SLOW DOWN SLOW DOWN FAST
MANUAL LOWERING
IN = CLOSES
VERY SENSITIVE ADJUSTMENT, SET IT LAST
IN = FIRMER START
IN = SMOOTHER SLOWDOWN
IN = HIGHER LEVELING SPEED
MUST BE MORE OPEN THAN UP STOP
*
UP LEVELING AND UP SLOWDOWN
AFFECT EACH OTHER.
WHEN ONE IS CHANGED,
THE OTHER IS ALSO CHANGED.