Alemite 7783-C4 Manuale di istruzioni per l'assistenza - Pagina 4
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SER 7783-A4
SERVICE
CAUTION
Before beginning service or attempting to disassemble any part
of unit, shut off air supply, reduce material pressure to zero, dis-
connect air and material supply lines, and remove entire pump
from container or system.
IMPORTANT: Prior to reassembly, lubricate all "O" rings, seals and
packings with SAE No. 1O oil or light machine oil. Protect all seals
and sealing surfaces from damage and scratches in any way possible.
DISASSEMBLY
A. SEPARATING PUMP TUBE FROM AIR MOTOR: (Figure 2)
1 Loosen jam nut 333256 securing pump tube to air motor assembly
323440-4.
2 Unthread pump tube assembly from air motor assembly and pull to
expose coupling 323439.
3 Remove upper spring clip 324648 from coupling..
4 Unthread coupling from air motor piston rod by rotating entire
pump tube .assembly.
B. SERVICING AIR MOTOR ASSEMBLY:
To service the 323440-4 Air Motor Assembly, refer to Instruction
Sheet SER 323440-4.
C. SERVICING BODY & PACKING GROUP: (Figure 3)
1 Unscrew and remove adapter 327706 from body of air motor as-
sembly 323440-4 (Figure 2).
2 Remove washer 323419 and bushing 324274 from adapter.
3 Unscrew three screws 323787 and pull body 323786 from air motor
assembly.
4 Remove "O" rings 171009-33 and 171009-35 from body.
Revision (3-15)
Figure 3: Body and Packing Group
4
Fluid Lubricant Pump
Alemite LLC