20
2025 Series Pneudraulic Installation Tools (HK1006) Alcoa Fastening Systems & Rings
troubleshootIng
1. Tool fails to operate when trigger is pressed.
a. Air line not connected.
b. Throttle valve O-rings (50) worn or damaged.
c Throttle valve cable (2) is broken.
2. Tool does not complete fastener installation and
break pintail.
a. Air pressure too low.
b. Worn or damaged air piston Quad-ring (47).
c. Tool is low on hydraulic uid. Refer to the fIll
and bleed section.
d. Air in hydraulic system. Refer to the fIll and
bleed section.
3. Pintail stripped and/or swaged collar not
ejected.
a. Check for broken or worn jaws in nose
assembly. Refer to nose assembly data sheet.
b. Check for worn anvil. Refer to nose data sheet.
4. Hydraulic uid exhausts with air or leaks at base
of handle.
a. Worn or damaged gland assembly (25). Inspect
Polyseal (28), O-rings (31 and 27), Quad-
ring (33) and Back-up ring (32). Replace if
necessary.
5. Hydraulic uid leaks at rear of pull piston (6).
a. Worn or damaged piston Polyseal (18). Replace
if necessary.
6. Hydraulic uid leaks at front of pull piston (6).
a. Worn or damaged front gland (15). Inspect
Polyseal (14), O-ring (12), and Back-up ring
(11). Replace if necessary.
7. Pull piston (6) will not return.
a. Throttle valve (52) stuck; lubricate O-rings (50).
b. Throttle arm (53), cable (2), or trigger (5)
binding.
8. Air leaks at air Cylinder Head (45).
a. Worn or damaged O-ring (46). Replace if
necessary.
aCCessorIes
Always check the simplest possible cause (such as a loose or disconnected trigger line) of a malfunction rst. Then
proceed logically, eliminating other possible causes until the cause is discovered. Where possible, substitute known
good parts for suspected defective parts. Use this Troubleshooting information to aid in locating and correcting
trouble.
Fill and Bleed Bottle (Figure 9) - 120337
Stall Nuts
2025, 2025B, 2025S, 2025V - 124090
2025L, 2025LB, 2025SL, 2025LV - 125340
asseMbly tool kIts
2025, 2025B, 2025S, 2025V - 123110-6
Includes: (Figure 3)
Piston Assembly (Bullet) - 123111-2
Spacer - 123112-2
POLYSEAL Tool - 121694-2025
2025L, 2025LB, 2025SL, 2025LV - 123110-8
Includes: (Figure 3)
Piston Assembly (Bullet) - 123111-4
Spacer - 123112-3
POLYSEAL Tool - 121694-2025
conVersIon kIts
Convert 2025L to 2025LV - 126190
Includes:
Pintail Collection Bottle - 123772
Tubing and Slide Assembly - 124245
Piston Assembly - 125738-3
End Cap Assembly - 125863
Convert 2025 to 2025V - 126432
Includes:
Pintail Collection Bottle - 123772
Tubing & Slide Assy - 124245
Piston Assy - 125738-2
End Cap Assembly - 125863
Vacuum Attach Adapter - 123784
Retaining Ring Ext - 501007
Flat Washer - 506628
Straight Connector - 506675
serVIce kIts
2025, 2025B, 2025L,
2025S, 2025SL, 2025LB - 2025KIT
2025V, 2025LV - 2025VKIT
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