8
75*
80 s 78
81 s 79 s
91
92
88
78
s 79
s 84
83
s 82
s 85
86
87
90
49775 MANIFOLD ASSEMBLY
* NOT INCLUDED IN ASSEMBLY
s INCLUDED IN 49595 SERVICE KIT.
89
113
91
MANIFOLD DISASSEMBLY
_ Spring (80), ball (81) and needle valve (86) can be serviced
without removing the manifold from the tool.
_ Unthread and remove cap (78), releasing spring (80) and ball
(81).
_ Remove screw (87), releasing retainer (88).
_ Unthread and remove needle valve (86).
_ To further disassemble, remove three cap screws (75), releas-
ing manifold from the tool.
_ Remove cap (78), releasing actuator (83).
MANIFOLD ASSEMBLY
_ Lubricate all ‘‘O” rings with ARO 36460 lube when assem-
bling.
_ Assemble ‘‘O” rings (82 and 84) to actuator (83) and assemble
actuator into manifold, with the small diameter going into the
manifold first.
_ Assemble ‘‘O” rings (79) to caps (78) and assemble one cap to
manifold, securing actuator.
_ Assemble ball (81) and spring (80), securing with cap (78).
_ Assemble ‘‘O” ring (85) to groove in needle valve (86) and
thread needle valve into manifold.
_ Assemble retainer (88) to manifold, securing with screw (87).
_ Assemble manifold assembly to tool, securing with three cap
screws (75).
#3–56 MOUNTING HOLES
FOR OPTIONAL SOLE-
NOID VALVES.
#5–40 MOUNTING HOLES
FOR OPTIONAL 49785
PRESSURE SWITCH.
#3–56 MOUNTING HOLES
FOR OPTIONAL SOLE-
NOID VALVES.
PORT ``A" INPUT / START (#10-32 THD.).
PORT ``B" INPUT / EMERGENCY RETRACT (#10-32 THD).
PORT ``C" OUTPUT / ``TOOL IS FORWARD" SIGNAL ``ON" AT FORWARD POINT OF PRESET STROKE (#10-32 THD).
PORT ``D" OUTPUT / ``TOOL IS RETRACTED" SIGNAL ``ON" WHEN TOOL IS FULLY RETRACTED (#10-32 THD).
PORT ``E" OUTPUT / AUX. AIR SUPPLY FURNISHES POWER AIR TO SOLENOID VALVE OPTION. SUPPLY IS ``ON" WHEN MAIN AIR INLET IS ``ON" (#10-32 THD).
PORT ``F" OUTPUT / AUX. AIR SUPPLY FURNISHES POWER AIR TO SOLENOID VALVE OPTION. SUPPLY IS ``ON" WHEN MAIN AIR INLET IS ``ON" (#10-32 THD).
DWELL TIME CONTROL ADJUSTMENT KNOB ADJUSTS ``HESITATION" AT RETRACT POINT. TURN IN TO INCREASE TIME, TURN OUT TO DECREASE TIME.
PORT ‘‘A”
PORT ‘‘B”
PORT ‘‘C”
PORT ‘‘D”
PORT ‘‘E”PORT ‘‘F”
DWELL