TM 5-2420-230-24-2
B3.9 and B5.9 Series Engines
Service Tools
Section 8 - Cooling System - Group 08
Page 8-1
Service Tools
Cooling System
The following special tools are recommended to perform procedures in this section. The use of these
tools is shown in the appropriate procedure. These tools can be purchased from your local Cummins
Authorized Repair Location.
Tool No.
Tool Description
Tool Illustration
Dial Indicator and Sleeve Assembly
Use with magnetic base, Part No. 3377399, to measure the fan
hub and clearance.
3376050
Magnetic Base Dial Indicator Holder
Used with Part No. 3376050, dial indicator and sleeve assembly.
3377399
Combustion Gas Leak Test Kit
Includes Part No. 3822986, test fluid; Part No. 3822987, adapter;
and Part No. 3877612, instructions.
3822985
Cooling System Test Kit
The Fleetguard coolant test kit is used to inspect the concen-
tration of coolant additives in the cooling system.
CC-2626
Refractometer
The Fleetguard refractometer is used to measure the freezing
point protection and antifreeze concentration.
CC-2800
L-1057
