Delta 18-900L - Manual (Page 15)

15
To reduce the risk of injury, turn unit off
and disconnect it from power source before installing
and removing accessories, before adjusting or when
making repairs. An accidental start-up can cause injury.
Raise and lower the spindle with the pinion handles
(AA) Fig. 31. You can lock the quill at any point in its
travel by positioning locking nut (WW) against the stop.
To position nut, push the button in and slide it along the
threaded rod.
RAISING AND LOWERING THE SPINDLE
ADJUSTING THE SPINDLE RETURN
SPRING
The spindle will automatically return slowly to its upper
position when the handle is released. However, to adjust,
if necessary:
To reduce the risk of injury, turn unit off
and disconnect it from power source before installing
and removing accessories, before adjusting or when
making repairs. An accidental start-up can cause injury.
1. Remove plastic cap (XX) Fig. 32.
2. Loosen nuts (YY) but do not remove. Make sure that
the spring housing (ZZ) remains engaged with head
casting (S).
3. While firmly holding the spring housing (Fig. 33),
pull out the housing and rotate it (counter-clockwise
to increase or clockwise to decrease) until you feel
the boss (B) engaged with the next notch on the
housing. Tighten the two nuts (YY) Fig. 32 to hold
the housing in place.
IMPORTANT: The inside nut (B1) Fig. 33 should not
contact the spring housing (ZZ) Fig. 33.
4. Replace plastic cap.
PERSONAL INJURY HAZARD. Be careful
not to release the spring housing while adjusting the
spring tension as it may rotate rapidly from the spring
tension.
WW
Fig. 31
AA
Fig. 32
Fig. 33
XX
YY
ZZ
S
B1
ZZ
B