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2581 2582 2583 Hydraulic Installation Tools
(HK1173)
Disassembly
The following procedure is for complete disassembly.
DISASSEMBLE CYLINDER ASSEMBLY
Disassemble only subassemblies necessary to check
7. Remove deflector from end cap. Remove socket head
and replace damaged seals, wipers, back-up rings and
screw from end cap (barbed retainer of 2581/A2581).
components.
Always replace seals, wiper, 0-rings and
back-up rings of disassembled subassemblies.
&
WARNING: Be sure to disconnect tool control
trigger system from Powerig• Hydraulic Unit
•
before disconnecting tool hydraulic hoses
from unit. If not disconnected in this order
before any maintenance or cleaning is done,
severe personal injury may occur.
1. Read
WARNING
Disconnect tool's electrical
connector from hydraulic unit. Uncouple tool's
hydraulic hoses and drain into a container.
2. Remove tool retaining nut using 1-3/8 open end
wrench. Slide nose assembly anvil away from tool.
Unscrew collet from tool piston.
3. Unscrew four screws from handle assembly. Remove
screws and nuts. Separate handle halves.
(Figure 6)
4. (Optional) Unscrew hydraulic hoses from tool.
NOTE:
Bullet
Connectors
Left Half
of Handle
Right Half
of Handle
Do not remove hydraulic hoses from tool unless
replacing them.
5. Remove quick disconnects from hoses, and push
rearward on piston until remaining hydraulic fluid is
drained into container, and discard fluid.
6.
2581, 2582, 2583:
Lift trigger switch assembly from
handle half. Pull control cord out of built-in handle
strain relief. Pull both bullet connectors apart.
(Figures
6
& 9)
A2581, A2582, A2583:
Lift air trigger assembly from
handle half. Pull air hose out of handle's built-in strain
relief.
(Figure 10)
11
8. Hold a spanner wrench in slots of retaining ring
(barbed retainer of 2581/A2581). Loosen and remove
retainer.
9. Push piston, with unloading valve, and end cap/rear
gland out of tool. (For 2581 & A2581, use optional
piston assembly bullet) See
(Figure
7)
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EndCa
KI!r
or Barbecj
Retainer
t
Screw
2581 shown
Pintail
Deflector
10. Slide end cap and unloading valve from piston.
11. Use a small diameter pointed rod to remove all seals,
wipers, 0-rings and back-up rings from components.
SERVICING TRIGGER SWITCH ASSEMBLY
2581, 2582, 2583:
Remove switch. Loosen set screw and carefully pry switch
out with a small screw driver. Disconnect bullet connectors
from cord. Pull cord out. (Figures 6 and 12)
SERVICING AIR TRIGGER ASSEMBLY
A2581, A2582, A2583:
Unscrew air trigger assembly. Loosen air fitting. Pull out air
trigger hose. Loosen air quick disconnect and remove it.
(Figure 13)
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