Air Line Accessories - Graco L20c Operation

Component Identification
Integrated Air Controls
D200, D200s, D60, and S20 Models
The integrated air controls include:
• Main air slider valve (BA): turns air on and off to
the system. When closed, the valve relieves pres-
sure downstream.
• Ram air regulator (BB): controls ram up and down
pressure and blowoff pressure.
• Ram director valve (BC): controls ram direction.
• Exhaust port with muffler (BD)
• Air motor regulator (BE): Controls air pressure to
motor.
• Air motor slider valve (BF): turns air on and off to
the air motor. When closed, the valve relieves air
trapped between it and the air motor. Push the valve
in to shutoff. Remote DataTrak: The air solenoid
(X, F . 1), the air motor slider valve (BF), and the
IG
main air slider valve (BA) must be open for air to
flow. (See Remote DataTrak Setup, page 23.)
• Blowoff button (BG): turns air on and off to push
the platen out of an empty drum.
BG
BA
F . 3. Integrated Air Controls
IG
12
BF
BE
BD
BC
BB
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Air Line Accessories

See F . 1.
IG
• Air line drain valve (U)
• Air line filter (V): removes harmful dirt and mois-
ture from compressed air supply.
• Second bleed-type air valve (W): isolates air line
accessories and supply system for servicing. Locate
upstream from all other air line accessories.
• Air relief valve (attached to ram air regulator, not
visible): automatically relieves excessive pressure.
2-Button Interlock Air Controls
D60i, D200i, and D200si Models
Units that have 2-Button Interlock controls have the fol-
lowing additional components:
• 2-Button Module: See manual 312374 for
information.
• Roller switch (CA): shuts off air supply when it con-
tacts the bracket actuator. Operator must push and
hold the activation buttons simultaneously to
resume ram movement.
F . 4
IG
• Bracket actuator (CB): attaches to the platen lift
rod. When platen is outside of drum, actuator makes
contact with the roller switch.
CA
CB
F . 5
IG
Activation
Buttons
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