Specifications

Page 3-2 Bacharach, Inc. Instructions 67-9319
OPERATION INJECTOR CALIBRATOR CD3
Figure 3-3. Pulley
3.1.2 Changing Speed
The CD3 calibrator is shipped with the drive belt
disengaged. To change the speed setting to test
Cummins:
1. Open the flywheel (sheave) cover to expose the
upper pulleys.
2. Open the hinged door on the left side of the
calibrator to expose the lower pulleys.
3. Insert barring tool into roller link assembly.
4. Push down on the barring tool to raise the
motor enough to shift the drive belt from one
set of pulleys to the other.
5. For 1050 RPM speed required for running the
Cummins injectors, place drive belt over the
larger diameter pulley on camshaft (top) and
the matching pulley on motor shaft (bottom).
6. Make sure the shim (marked CUM) is under
the leveler of the motor.
7. Lower the motor to its original position.
Next, check for proper cam installation (Section
3.1.3).
____________________________________________________________________________________
Cummins Accessory Part Number or Identification
____________________________________________________________________________________
Push Rod Drain Locating
Injector Type Adapter Link Connection Pin Cam*
-------------------------------------------------------------------------------------------------------------------------------
Flanged, H-NH H-NH,J-C H-NH 67-6580 —— 189
Flanged, J-C H-NH,J-C J-C 67-6580 —— 189
PTB, PTC 3/8 3/8 PTB-PTC PTB-C —— —— 189
PTB, PTC 5/16 5/16 PTB-PTC PTB-C —— —— 189
PTC 5/16 large 5/16 PTB-PTC PTC —— —— 189
radius link LG. RAD
PTD 3/8 3/8 PTD 67-5703 —— 67-6519 189
PTD 5/16 5/16 PTD 67-5703 —— 67-6519 189
PTD-K K-PTD 67-5703 —— 67-6519 310
_______________________________________________________________________________________________
(—— means the accessory is not needed)
*THIS LIST IS A GUIDE ONLY. For cam selection, refer to the latest Cummins Injector Specfications
(Bulletin 3379664 latest issue).For a list of cams, see Section 3.1.3 and the Cummins Accessory Kit (67-7633).
Figure 3-2. Cummins Injector Accessories Chart
5 For Cummins Use Large Pulley