Applifast HK961, Инструкция по эксплуатации

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2580 series Hydraulic Installation Tools
(HK961)
15
Refer to MAINTENANCE: General
Precautions and illustrations.
The following procedure is for complete dis-
assembly - - disassemble only sub-assem-
blies necessary to check and replace dam-
aged seals, wipers, back-up rings and com-
ponents.
Always replace seals, wiper, O-
rings and back-up rings of disassembled
sub-assemblies- -
see CAUTION at begin-
ning of ASSEMBLY .
1. Disconnect electrical connector.
Uncouple tool hydraulic hoses.
2. Remove tool’s retaining nut and nose
assembly anvil. Unscrew collet from tool’s
piston rod.
3. Unscrew coupling nipple and coupling
body. Drain hydraulic hoses into contain-
er. Discard fluid.
4. Push rearward on piston until remaining
hydraulic fluid is drained into container.
Discard fluid.
5. NOTE: Do not remove hydraulic hoses
from tool unless replacing hoses.
If
necessary to remove hoses, uncover
hose fittings by sliding plastic shrouds
back.
6. 2580: Loosen strain relief grommet.
Loosen set screw and carefully pry switch
out with a small screwdriver. Loosen two
wires at rear of switch. Remove switch
from cord. Pull cord out. Remove grom-
met. Disassemble electrical connector to
replace connector, or to rewire it.
A2580: Unscrew air trigger assembly.
Loosen air fitting. Pull out hose. Loosen
air quick disconnect and remove.
7. Remove pintail deflector, 123144,- - twist
and pull in the same motion.
8. Remove socket screw from rear gland
and barbed retainer.
9. Insert two 5/16 pins in opposite holes in
rear of barbed retainer. Using bar placed
between pins, unscrew retainer.
10.Remove dump valve from open cylinder.
11.See Fig. 5- - place Spacer, 123112-1,
over threaded end of piston. Screw
Piston Assembly Tool onto piston. Press
or drive piston, front gland and rear
gland out of cylinder - - place hose ends
in container to catch oil that is forced out
by piston.
12.Use a small diameter dull pointed rod to
remove all O-rings and seals - - clean
parts and examine for wear and other
defects.
D
D
ISASSEMBLY
ISASSEMBLY
WARNING: Be sure electric control cord
is disconnected from POWERIG®
Hydraulic Unit
before disconnecting
tool’s hoses from hydraulic unit. ALWAYS
disconnect connections in this order to
prevent possible severe personal injury.