Operation and maintenance manual

Tool Requirements QSB4.5 and QSB6.7
Page 2-2 Section 2 - Maintenance Guidelines
Tool Requirements
General Information
Most of the maintenance operations described in this manual can be performed with common hand tools (metric and
S.A.E. wrenches, sockets, and screwdrivers).
The following is a list of special service tools required for some maintenance operations:
Tool Part
Number
Description Use or Additional Description
ST-1273 Pressure gauge Measure Intake Manifold Pressure
3400158 Filter wrench Oil and Fuel Filters
3824591 Barring tool Rotate the engine
CC-2800 Refractometer Check antifreeze concentration and battery
specific gravity
3164488 Digital multimeter Measure Voltage on electrical equipment
3822525 Belt tensioner gauge (click type) Check belt tension (6 to 12 v-ribbed belts)
3164795 Torque wrench Dial type 3/8 drive 0-28 Nm [0-250 in-lb]
3164794 Torque wrench Micro-adjust 3/8 drive 14-136 Nm [10-100
ft-lb]
3164797 Torque wrench Micro-adjust 1/2 drive 68-339 Nm [50-250
ft-lb ]
Contact your nearest Cummins® Authorized Repair Location for the required service tools.