Cummins Service Products Catalog – Tool ST 685Valve Seat Grinding Machine

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Engine Family: See Below

The Valve Seat Grinding Machine is used to reface the valve seats in the cylinder head. Various grinding wheels are included. Valve Guide Arbors must be ordered separately. See ST 663 and others listed. When ordering Valve Seat Grinder, specify -A or -C for 110 volt or 220 volt motor.

Ref. No. Part No. Description
  ST 685-A 110 Volt 50/60 hz
  ST 685-C 220 Volt 50/60 hz
1 ST 685-1  Motor Assembly (110 volt)
1 3376030  Motor Assembly (220 volt)
2 ST 685-2  Grinder/coupling Unit (with stabilizer)
3 ST 685-3  Wheel Dresser 
4 ST 685-4  Eccentrimeter 
5 ST 685-5  Arbor Puller 
  ST 685-6  Carrying Case 
  3376302  Diamond Holder 
Grinding Wheels Reference 7 Above
  ST 685-7  Grinding Wheels (1 5/8 in. x 30 deg.)
  ST 685-8  Grinding Wheels (1 7/8 in. x 30 deg. (B))
  ST 685-9  Grinding Wheels (2 ¼ in. x 30 deg.)
  ST 685-10  Grinding Wheels (2 ½ in. x 30 deg.)
  ST 685-11  Grinding Wheels (3 in. x 30 deg.)
  ST 685-12  Grinding Wheels (1 5/8 in. x 15 deg.)
  ST 685-13  Grinding Wheels (1 7/8 in. x 15 deg. (B & C))
  ST 685-15  Grinding Wheels (2 ½ in. x 15 deg.)
  ST 685-16  Grinding Wheels (3 in. x 15 deg.)
  3375051  Grinding Wheels (2 3/8 in. x 15 deg.)
  3376077  Grinding Wheels (1 ¾ in. x 30 deg.)
  3376884  Grinding Wheels (2 in. x 45 deg. (Optional))
  3376885  Grinding Wheels (2 in. x 30 deg. (Optional))
  3823178  Grinding Wheels (1 ¾ in. x 15 deg. (B))
  3823179  Grinding Wheels (2 ¼ in. x 15 deg. (C))
  3823180  Grinding Wheels (2 1/8 in. x 30 deg. (C))
  3823181  Grinding Wheels (1 ¾ in. x 45 deg. (B))
  3823182  Grinding Wheels (1 7/8 in. x 45 deg. (C))
  3823183  Grinding Wheels (1 5/8 in. x 60 deg. (B))
  3823184  Grinding Wheels (1 ¾ in. x 60 deg. (B & C))
  3823185  Grinding Wheels (2 in. x 60 deg. (C))
Last Modified:  27-Mar-2007