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  • Armstrong Manual Gearbox Service and Repair
  • Armstrong Manual Gearbox Service and Repair
  • Armstrong Manual Gearbox Service and Repair
B Armstrong Gearbox Services - Manual Gearboxes Repair and Reconditioning Newcastle and the North East. Armstrong Gearboxes - Common Faults

Q. NOISY IN ONE OR MORE GEARS

Mostly due to one or more worn bearings, normal symtoms noisey in low gears ie. 1st & 2nd or noisey in high gears ie. 5th &6th.

Q. UNABLE TO SELECT ONE OR MORE GEARS

Selector failed ie. sheared apart or synchro hub damaged so outer hub cant slide over inner hub.
 
Q. CRUNCHING SOUND CHANGING GEARS

Synchro rings (baulk rings) worn sometimes the gear is coated to grip the synchro if the coating has worn off then a new gear is needed.
 
Q. JUMPS OUT OF ONE OR MORE GEARS

Worn (dog teeth) the small teeth on the gear or the teeth on the inner part of the outer hub are worn or more than likely both are worn.
When the selector is worn down this results in the box not fully selecting the gear.
 
Q. WHISTLING (WHINING) OR CLICKING

Whining noise is often due to worn bearings or surface damage to shafts or casing. Clicking is more often due to damaged teeth on gears or crown wheel and pinion.

Please call us now on 0191 236 3892 for more details or further help or click here to make an online enquiry.

 

 

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