Porter-Cable CFN250 Manuale utente

CORDLESS FINISH

NAILER

PARTS LIST NO. 892322 - 899

WARNING: Repairs should only be attempted

by trained repairmen. Contact the nearest

Porter-Cable Service Center or other

competent repair center

CFN250

890229

Handle Set Assy.

Used On Units With Ref. 19 Fuel Lockout Switch

892507

Handle Set Assy.

Used On Units Without Ref. 19 Fuel Lockout Switch

884185

O-Ring

884284

End Cap

890600**

PumpHousing

885149

Cam

884564

Telescoping Rod

884567

MagazineCover

879678

Screw ( Torque 15 - 20 in. lb.)

886538

Screw ( Torque 25 - 30 in. lb.)

858136

Nut (Torque 35 - 45 in. lb.)

882473

Screw ( Torque 5 - 10 in. lb.)

882292

Nut ( Torque 15 - 25 in. lb.)

859342

Screw ( Torque 40 - 50 in. lb.)

884427

Pusher

880412

Switch Trigger

885719

Screw( Torque 15 - 20 in. lb.)

884318

Switch Slide

889346

Latch Assembly

804346

Screw ( Torque 40 - 50 in. lb.)

880384

Nose Cover

802679

Spiral Pin

699557

Spiral Pin

887073

Screw

880375

Guide Plate

886521

PumpSpring

890767

Cylinder

886346

O-Ring

886048

Sleeve

890243 **

Cylinder Head Assy., Incl..: Ref. 33, 37

38, 40, 41, 87, & 91

890240 **

Accelerator Plate

890227

Pivot Bracket

855196

Bearing

880399

IntakeValve

884190

O-Ring

890244**

Spark Plug Assy., Incl..: Ref. 38, 95

(Torque 15 to 25 in. lb.)

884842

Valve Support

890234**

Piston Assy. Incl.: Ref. 48, 49, 50, 54, 69

Used On Units Without Ref. 46

892150

Piston Assy, Incl..: Ref. 46, 48, 49, 50, 54, 69

Used On Units With Ref. 46

891853

PistonRing

880366**

Stop Bumper

890237**

Driver Blade

885146

Roll Pin

885145

Roll Pin

890764**

Exhaust Valve

884739

Backup Valve Plate

880362

Exhaust Valve Plate

885081

Seal

884732

O-Ring

884733

O-Ring

890242**

Exhaust Valve Assy., Incl..:

Ref. 51, 52, 53, & 55

880409

Insulator Boot

886998

Screw (Torque 55 - 65 in. lb.)

890388

Igniter Kit, Incl..: Ref. 95

884307

Shuttle Valve

884306

Tubing

884312

Lockout Plate

884309

Inlet Tube

884311

Latch Spring

890834

Magazine Assy., Incl. Ref. 93

884875

Retaining Ring

880410**

Air Filter

886269

Lead

873391

Dowel Pin

884315

Latch Slide

6020

Fuel Cell

6020-2

Fuel Cell Pkg. 2

885064

Torsion Spring

887042

Nail Insert

887043

Washer

802388

Screw ( Torque 15 - 20 in. lb.)

884320

Regulator Assembly

890280

Depth Stop

884425

Constant Spring

886265

Screw ( Torque 40 - 50 in. lb.)

885065

Tubing

886524

Latch Cover

887044

886941

Clamp

888062

Screw ( Torque 25 - 35 in. lb.)

884213

Nail Insert

884428

Pusher Cover

887859

Info Plate

101

890720

Warning Label

103

888188

Plug

105

887672

Fuel Shut-Off Decal - Used OnPlate-Fuel Shut Off

Units With Ref. 19 Fuel Lockout Switch

892331

Purge Decal - Used On

Units Without Ref. 19 Fuel Lockout Switch

106

802862

3/32 Hex WrenchWrench-Allen 3/32 X 2

110

884874

111

888730

Belt ClipClip-Belt

113

885067

O-Ring

114

885068

O-Ring

120

890065

HubHub

121

885252

Lock Pin

122

885253

Spring

123

803060

Washer

127

848741**

Washer

128

883763

Safety Glasses (Clear)

129

698110

1/8 Hex Wrench

130

48248

3/16 Hex Wrench

131

48245

5/32 Hex Wrench

133

884702

Carrying Case, Incl.: Ref. 134,135

135

890390

Carrying Case Latch

ACCESSORIES: (Optional)

136

893766**

Dielectric Grease

137

1255066

Dry Lubricant

138

883764

Safety Glasses (Tinted)

See Service Notes

Ref.

No.PartNo.Description

CFN250

Ref.

No.PartNo.Description

VALVE SUPPORT

BOSSES

ELECTRODE

BRACKET POINTS

TO THIS AREA

EXHAUST VALVE

The Exhaust Valve has to be installed with the notch (at rear) to the right. The Tab of Exhaust Valve and

the Backup Plate must be positioned between the two pins on the Exhaust Valve Plate. See Fig. 2 below.

INTAKE VALVE

The Intake Valve has to be installed with the notch (at rear) to the left. The Tab of Intake Valve Reed and

the Backup Plate must be positioned between the two pins on the Cylinder Head. See Fig. 1 below.

ACCELERATOR PLATE

Apply Loctite® Ultra Black 598 RTV three places ¼” long equally spaced around the circumference of the

accelerator plate to facilitate assembly. Accelerator plate Ref.#33 indention must line up with fuel feed

pin on head Ref. #32.

DRIVER BLADE

Ref. 49 Roll Pin and Ref. 50 Roll Pin must be installed with the Slots 180° apart. See Fig. 3 below.

HEAD TORQUE PATTERN

Each time head Ref. #32 is installed/reinstalled, a specific torquing pattern must be observed. Use the

diagram below and torque head to 55 to 65 in. lb. with hand torque wrench. See Fig. 4 below.

ELECTRODE BRACKET - Ref. 97

The electrode bracket should be assembled so the tip is in the area opposite the Valve Support, Ref. 41,

orientation bosses in the Head Assembly, Ref. 32, as shown in Fig. 1.

CFN250

SERVICE NOTES

Fig. 1 Fig. 2

Fig. 3

Fig. 4

Ref. 50

Ref. 49

SPARK PLUG

Coat Ref. 40 (890244) Spark Plug threads first with Primer-N prior to assembly and torque to 15 –20 in. lb.,

then apply one drop of Loctite® 290.

Apply Dielectric Grease Part No.#893766 to end of spark plug before installing lead.

DRIVER SEAL REF. #54

Seal, Ref. #54, is marked with the word “OUT”. Install this side out and orient seal to match driver blade

profile.

LUBRICANTS

Do not use oil or grease on this unit except as specified in instruction manual.

CLAMP REF.#91

Clamp Ref. #91, should be installed with Oetiker Pincers (Model 10981) or Chaftsman®

(Model 945175)

PISTON BUMPER 880366 REF. 47

To ease assembly of the subject part, lightly lubricate with soapy water or hand soap prior to pressing into

cylinder.

PUMP HOUSING REF. 4 & MAGAZINE WASHER REF. 127

Units have been built with 2 different pump housings. They can be identified by the casting number which is

located between the 2 magazine screw mounting bosses. Pump housings with casting number 880394 require

washer 848741(Ref. # 127) and this washer should be added to units that don't have them.

Pump housings with casting number 891141 don't require these washers and when servicing units with this

housing the washers should be discarded.

AIR FILTER REF. 69

Air filters should be lightly oiled with automotive oil SAE 5 or 10(do not use multi viscosity oils) or

similar before installation. Blot excess oil with paper towel.

It is highly recommended that the air filter be replaced when it requires servicing. However, if a new

filter is not available the filter can be washed in a solution of warm soapy water, thoroughly dried, oiled

per the above, excess oil blotted with paper towel, and reused.

INSTALLING SCREWS & NUTS

Use hand tools only to reassemble unit. DO NOT USE POWER TOOLS.

When reassembling unit proper torque’s and adhesives must be used. Failure to follow this guideline will

result in premature failure.

SERVICE NOTES

CFN250

LOCTITE

is a registered trademark of the

LOCTITE

CORP.., Newington, CT

Ref.

Desc.

Torque

Loctite®

Screw

Torque 15 - 20 in. lb

Screw

Torque 25 - 30 in. lb

11 Lock Nut LOCTITE 222

Screw

Torque 5 - 10 in. lb.

14 Screw Torque 40 - 50 in. lb LOCTITE 242

Screw

Torque 15 - 20 in. lb

Screw

Torque 40 - 50 in. lb.

Spark Plug

Torque 15 - 20 in. lb

PRIMER N / LOCTITE 290

Screw

Torque 55 - 65 in. lb.

LOCTITE 242

Screw

Torque 15 - 20 in. lb

Screw

Torque 40 - 50 in. lb

92 Screw Torque 25 - 35 in. lb

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