I found this online also
SERV I C E
05-96 SSG09004.PDF
9
X 96.004-26
1 (2)
Model 254XP, 257, 262XP
Chain brake
A new brake with an increased service life and shorter braking times replaces previous
designs. The brakes have the following advantages:
• Magnesium clutch cover
• 360° enclosed brake band
• Robust brake springs
• Guided up in the crankcase using a pin
New Ref. No. Description Excl. Ref. No. Remark
503 74 70-71 Chain brake cmpl. 254 501 87 40-06 *
503 74 70-72** Chain brake cmpl. 257, 262 501 87 40-05 *
503 72 74-01 Hand guard kpl 257, 262 503 57 32-01
501 87 53-03 Knee joint 254, 257, 262 501 87 53-01 *
503 52 08-01 Shaft 501 76 81-01 *
503 70 49-01 Brake spring 501 87 54-01 *
503 70 44-01 Brake band 501 87 43-01 254 *
- Brake band 503 51 21-01 257, 262 *
503 70 43-01 Top clutch cover 501 87 42-02 *
503 70 45-01 Saw dust guard 501 87 50-01 *
503 85 14-01 Protective cover -
503 72 31-01 Bushing -
501 51 72-01 Chain guide plate -
* remains as a spare part for previous designs.
** On brake 503 74 70-72 the chain guide plate will be fitted. Brake 503 74 70-71 is supplied
with assembled chain guide plate.
Introduced from serial number: 254G 610 0001
254 613 0001
257 613 0251
262 609 0401
262G 611 0401
NOTE! Brakes of this design can only be fitted on crankcases with a recess for guide pins.
Crankcases with the recess were introduced into assembly according to the serial numbers
below. Bushing 503 72 31-01 must be fitted for the brake to function properly.
Introduced from serial number: 262 414 0342
257 415 0001
254 415 0001
For Husqvarna Parts Call 606-678-9623 or 606-561-4983