Sunnen LBB-1660, Installation, Setup And Operation Instructions

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23
WARNING
Turn electrical power OFF at main buss box or
main power source when performing any
maintenance not requiring power.
1. Turn OFF all electrical power to machine.
2. Pedal, when fully depressed, MUST be at least
6 mm (.25 in.) from floor and not higher than 50 mm
(2 in.) from floor. Adjust Pedal height by turning
Self Locking Nuts on end of Pedal Link Assembly.
Assembly should be adjusted evenly on both sides.
3. The Pedal Assembly may be adjusted in or out
by loosening pedal clamp screw, sliding Pedal
Assembly in or out, and tightening pedal clamp
REPLACE MOTOR V-BELT
To inspect and replace Motor V-Belt, proceed as fol-
lows
(see Figure 4-13) .
WARNING
Turn electrical power OFF at main buss box or
main power source when performing any
maintenance not requiring power.
1. Turn OFF all electrical power to machine.
2. Loosen safety latch pin, raise belt cover latch
and open belt guard.
NOTE:
Turn Disconnect Switch on left side of Belt
Guard to OFF position, then open doors.
3. Inspect Motor V-Belts for signs of wear and/or
damage. Replace as required, proceed with step 4.
4. Pull Tension Release Lever down.
5. Remove Motor V-Belts.
6. Install New Motor V-Belt. Align on upper and
lower pulleys.
7. Pull out and up on Tension Release Lever.
8. Close and secure belt guard.
9. Turn ON power.
ADJUST SPINDLE DRIVE BELT
To check flat spindle drive belt adjustment, tension
should be such that with motor ON, spindle starts
rotating an instant after the brake releases, as the
Pedal is slowly depressed.
NOTE:
If Motor V-belt is excessively worn, replace
it before attempting to adjust the flat drive belt.
To inspect and adjust the flat spindle drive belt
tension, proceed as follows
(see Figure 4-14) :
WARNING
Turn electrical power OFF at main buss box or
main power source when performing any
maintenance not requiring power.
1. Turn OFF all electrical power to machine.
2. Loosen safety latch pin, raise belt cover latch
and open belt guard to expose the belt adjusting
screw.
4. Pull out and up on Tension Release Lever. Lever
must be in up position to properly adjust belt.
5. Turn the adjusting screw clockwise to loosen
belt, counterclockwise to tighten.
Idler should travel 11/16 to 3/4 in. (17-19 mm) as
Pedal is depressed.
NOTE:
Adjusting belt may cause the brake to
require adjusting.Refer to Brake Operation.
6. Close and secure belt guard.
7. Turn ON power.
FIGURE 4-14, Spindle Drive Belt
LOWER CONE
PULLEY
COVER
PLATE
PUMP BELT
FEED SCREW
PROJECTION
ADJUSTING
NUT ASSY
FEED ARM
ASSY
CROSS HOLE
IN FEED ROD
THRUST
ASSY &
SCREW
FIGURE 4-15, Spindle Drive Belt
LOWER CONE
PULLEY
COVER
PLATE
PUMP BELT
FEED SCREW
PROJECTION
ADJUSTING
NUT ASSY
FEED ARM
ASSY
CROSS HOLE
IN FEED ROD
THRUST ASSY &
SCREW