Alcoa 200 - Hydraulic Fluid Leakage Troubleshooting

200 Series Tooling Alcoa Fastening Systems
21
H
H
YDRAULIC
YDRAULIC
F
F
LUID
LUID
L
L
EAKAGE
EAKAGE
C
C
AUSE
AUSE
AND
AND
R
R
EMEDY
EMEDY
A. Hydraulic fluid reservoir diaphragm (4-4) leaking.
Replace.
B. Rear gland (2-25) loose. Tighten with special
Wrench 100556.
C. Socket head screws loose. Tighten.
D. O-ring seals between faces leaking. Replace as
required.
E. Shift sleeve (4-27) loose. Tighten with Wrench
100878.
F. Intensifier gland (3-35) rings not sealing. Upper
internal O-ring and external O-ring defective.
Replace as required.
G. Piston rod (3-34) scored or worn. Replace.
H. O-rings and/or quad rings leaking. Remove gland
(2-7) and shift piston (2-12). Replace internal and
external rings as required.
I. O-ring and/or quad ring seals in shift assembly
leaking. Disassemble and replace rings as
required.
J. Pull piston (2-21) scored or worn. Replace.
K. Hydraulic system leak in handle assembly weld-
ment. Replace handle (3-1) (contains inserts).