Controls Section; Pendant Control 3-Hose System; Disassembly; Assembly - Ingersoll-Rand 7700-E Series Installation, Operation And Maintenance Instructions

Controls Section

ELBOW Y54-23
U-BRACKET (2) 33989
"O" RING Y325-111
SPRING (2) 32858
VALVE (2) 34757
SCREW (2) 37511

Pendant Control 3-Hose System

Disassembly

1. To remove from hoist, shut off air and disconnect hoses from cylinder assemblies and from head.
2. Remove "U" bracket (33989) from head, releasing cable.
3. To disassemble cylinders, unscrew and remove from head.
4. Remove adapter (41067) releasing spring, piston, piston rod and "O" ring.
5. To disassemble control handle, remove screws (37511) with "O" rings (Y325-111), releasing spring (32858) and
valve (34757) with "O" rings (Y325-6).

Assembly

1. Assemble "O" ring (Y325-13) into adapter (41067).
2. Assemble piston rod (45799) and "O" ring (Y325-222) to piston (41066) and assemble with spring (33981) into
cylinder (41064-1). Secure with adapter (41067).
3. Assemble with "O" ring (Y325-116) to hoist.
4. To assemble control handle, reverse disassembly procedure.
Figure 21. 46094-6 Pendant Control Assembly (MHP3442)
CYLINDER ASS'Y. (2) 45801
CYLINDER 41064-1 PISTON 41066
"O" RING Y326-222
"O" RING (2) Y325-8
SCREW (4) Y61-85-C
HANDLE 43122
"O" RING Y325-13
ADAPTER 41067
PISTON ROD 45799
SPRING 33981
ELBOW Y54-23
HOSE ASS'Y. 43103-6
CONNECTOR (3) Y54-2
ROLL PIN (2) Y178-58
LEVER (UP) 45616-2
"O" RING Y325-116
HANDLE ASS'Y. 43102
LEVER (DOWN) 45616-1
GUARD 40848
WARNING PLATE 44197
RIVET (4) 45119
GUARD ASS'Y. 44312
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