T
T
ROUBLESHOOTING
ROUBLESHOOTING
22
202 Series Tooling (HK938) Alcoa Fastening Systems
Always check out the simplest possible cause of a
malfunction first. For example, an air hose not
connected. Then proceed logically, eliminating each
possible cause until the cause is located. Where
possible, substitute known good parts for suspected
bad parts.
1. Tool fails to operate when trigger is depressed:
a) Air line not connected or pressure too low.
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) Air Piston Quad-ring (47) worn or damaged.
c) Tool is low on hydraulic fluid, refer to Fill and
Bleed section.
d) Air in hydraulic system, refer to 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 fluid 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 fluid leaks at rear of Pull Piston (6):
a) Worn or damaged piston Polyseal (18),
replace if necessary.
6. Hydraulic fluid 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.
K
K
ITS
ITS
AND
AND
A
A
CCESSORIES
CCESSORIES
Fill and Bleed Bottle (Fig. 9) - 120337
Stall Nut (202, 202B, & 202V) - 124090
Stall Nut (202L & 202LV ) - 125340
202, 202B, & 202V
Assembly Tool Kit - 123110-2
Includes: (Fig. 3)
Piston Assembly (Bullet) - 123111-2
Spacer - 123112-2
POLYSEAL Tool - 121694-202
202L & 202LV
Assembly Tool Kit - 123110-8
Includes: (Fig. 3)
Piston Assembly (Bullet) - 123111-4
Spacer - 123112-3
POLYSEAL Tool - 121694-202
Service Kit (202, 202B, & 202L) - 202KIT
Service Kit (202LV & 202V) - 202VKIT
Suspension Spring - 124447
Pintail Collection Bag (202 & 202L) - 125652
Conversion Kit - 124173
(To convert 202 to 202V)
Includes:
Piston Assembly 202V - 123774-1
End Cap Assembly - 124246
Tubing & Slide Assembly - 124245
Straight Connector - 506675
Vacuum Attach Adapter - 123784
Pintail Collection Bottle - 123772
Flat Washer - 506628
Retaining Ring Ext - 501007
1/8 Hex Key
(used on Item 40, fig 14) - 502294
5/32 Hex Key
(used on Item 48, fig 14) - 502295
Retaining Ring Pliers - 502866
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