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10

FORM NO. L-20250-F-0615

TROUBLESHOOTING

Housing

Piston

Bearings

Bearing

Stub Shaft

Drive Disc

O-Ring

Seal

Female Pilot

Male Pilot

O-Ring Seals

Friction Facing

Splined Disc

FIGURE 7

Bar

Key

SYMPTOM 

PROBABLE CAUSE 

SOLUTION 

Air not getting to the FMCBE due to Control 
Valve malfunction. 

Check for a Control Valve malfunction or low 
air pressure and replace the Control Valve if 

necessary. 

Defective O-ring Seals resulting in air leaks. 

Replace the O-ring seals. 

Failure to engage (Clutch). 

Lack of lubrication on Hub Spline. 

Lubricate Hub Spline. 

Unexhausted air due to a Control Valve 
malfunction. 

Check for a Control Valve malfunction and 
replace the Control Valve if necessary. 

Defective O-ring Seals resulting in leaks. 

Replace the O-ring seals. 

Failure to engage (Brake). 

Lack of lubrication on Hub Spline. 

Lubricate Hub Spline. 

Unexhausted air due to a Control Valve 

malfunction. 

Check for a Control Valve malfunction and 

replace the Control Valve if necessary. 

Failure to disengage (Clutch). 

Lack of lubrication on Hub Spline. 

Lubricate Hub Spline. 

Unexhausted air due to a Control Valve 

malfunction. 

Check for a Control Valve malfunction and 

replace the Control Valve if necessary. 

Failure to disengage (Brake). 

Lack of lubrication on Hub Spline. 

Lubricate Hub Spline. 

Defective O-ring Seals resulting in air leaks. 

Replace the O-ring seals. 

Contaminated Friction Facings. 

Replace the Friction Facings. 

Loss of torque (Clutch and 
Brake). 

Worn Friction Facings. 

Replace the Friction Facings. 

 

Содержание Air Champ FMCBE 625

Страница 1: ...1 FORM NO L 20250 F 0615 FMCBE 625 and 875 Clutch Brakes BISSC Certified With and Without Locking Key FORM NO L 20250 F 0615...

Страница 2: ...ce until the machinery into which it is to be incorporated has been declared in conformity with the applicable provisions of the Directive Read this manual carefully before installation and operation...

Страница 3: ...Table of Contents General Specifications 4 General Safety Precautions 4 Installation 5 Lubrication 6 Air Connections 6 Troubleshooting 10 FMCBE with Locking Key Removal 11 Parts Replacement 11 Replace...

Страница 4: ...4 5 104 C 40 220 F Approximate Weight Up to 18 kg 40 lbs CAUTION Use appropriate guarding for moving components Failure to guard could result in serious bodily injury WARNING Ensure proper guarding of...

Страница 5: ...m 27 secure the FMCBE to the Female Pilot and Drive Disc 10 Alternately and evenly tighten the eight Hex Head Cap Screws Item 27 to 21 In Lbs 2 4 Nm torque BISSC CERTIFIED FMCBE MOUNTED ON A C FACED M...

Страница 6: ...e O Ring Seal Item 33 and the seal contact surface with a film of O Ring lubricant then wipe off any excess lubricant 6 Place the O Ring Seal Item 33 onto the seal diameter of the Female Pilot Item 34...

Страница 7: ...FMCBE Assembly to the Female Pilot Assembly See Figure 5 9 Alternately and evenly tighten the eight Hex Head Cap Screws Item 27 to 21 In Lbs 2 4 Nm torque 10 Using two Nexen supplied 0 375 16 x 1 875...

Страница 8: ...within ten feet of the product and use low viscosity oil such as SAE 10 Synthetic lubricants are not recommended Nexen product s bearings are shielded and pre lubricated and require no further lubric...

Страница 9: ...ssure will cause slippage and overheating Excessive air pressure will cause abrupt starts and stops reducing product life All Nexen pneumatically actuated devices require clean and dry air which meet...

Страница 10: ...d replace the Control Valve if necessary Defective O ring Seals resulting in leaks Replace the O ring seals Failure to engage Brake Lack of lubrication on Hub Spline Lubricate Hub Spline Unexhausted a...

Страница 11: ...off the FMCBE Model 875 Remove Hex Head Cap Screws Item 27 that secure the FMCBE Housing Item 1 to the Female Pilot Item 34 then loosen Set Screw Item 31 remove the Hex Head Cap Screws Item 29 and re...

Страница 12: ...em 15 back into the Housing Item 1 and O Ring Seal Item 14 FIGURE 11 1 7 11 10 7 11 14 15 16 3 2 6 Spring Pin alignment hole 13 Remove the six Machine Screws Item 7 securing the Split Friction Facings...

Страница 13: ...the Male Pilot Item 20 and Housing Item 1 with fresh O Ring lubricant and wipe off the excess lubricant MALE PILOT BEARINGS Item 19 AND O RING SEALS Item 21 AND 22 FIGURE 12 1 25 22 21 19 20 18 19 24...

Страница 14: ...lot 8 Install the Retaining Ring Item 6 onto the Drive Disc Item 4 See Figures 16 and 17 9 Clean the O Ring contact surfaces of the Female Pilot Item 34 and Housing Item 1 with fresh safety solvent FI...

Страница 15: ...isealTM Item 13 from the Bearing Flange Item 20 14 Supporting the Bearing Flange Item 20 and pressing on the outer races of Bearings Item 30 press the Stub Shaft and Bearings into the Bearing Flange u...

Страница 16: ...Bills of Materials and Instruction Manuals Whenorderingreplacementparts specifymodeldesignation item number part description and quantity Purchase replacement parts through your local Nexen Distributo...

Страница 17: ...ION QTY 11 131 19 Stub Shaft VarisealTM Key 1 1 2 20 301 35 Bearing Flange Bearing Retaining Ring Ext 1 2 2 58 59 62 Retaining Ring Int O Ring Seal Hex Head Cap Screw 1 1 4 63 Acorn Nut 4 ITEM DESCRIP...

Страница 18: ...TURE WHATSOEVER WHETHER ARISING OUT OF BREACH OF WARRANTY OR OTHER BREACH OF CONTRACT NEGLIGENCE OR OTHER TORT OR OTHERWISE EVEN IF NEXEN SHALL HAVE BEEN ADVISED OF THE POSSIBILITY OR LIKELIHOOD OF SU...

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