TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
Page 517 of 1205
TM 42320-387-24-l DRIVETRAIN KNOWN INFO SPEEDOMETER DOESN’T WORK POSSIBLE PROBLEMS DRIVEN GEAR CABLE SPEEDOMETER HEAD I- ~~ KNOWN INFO DOESN’T WORK DRIVEN GEAR OK I ~~~ ~~~ POSSIBLE PROBLEMS CABLE SPEEDOMETER DISCONNECT THE SPEEDOMETER CABLE FROM THE TRANSFER CASE. TURN THE CABLE BY HAND. DOES THE SPEEDOMETER RESPOND TO THE CABLE? DIAGNOSTIC FLOWCHART TURN THE CABLE AND HAVE AN ASSISTANT SEE IF THE NEEDLE MOVES. IT WILL ONLY MOVE A LImE. SO WATCH CLOSELY. ~ REASON FOR QUESTION 1 1 If the speedometer moves in response to the cable, it means the driven gear or the drive gear &_@_qz& I isnogwd. t E-l DISCONNECT THE SPEEDOMETER CABLE FROM THE SPEEDOMETER. AGAIN, TURN THE CABLE BY HAND AT THE TRANSFER CASE. DID THE SPEEDOMETER END OF THE CABLE TURN? ITESTC . )PTIONS I HAVE AN ASSISTANT TURN ONE END WHILE YOU WATCH THE OTHER. REASON FOR QUESllON This will tell you if the cable is OK. 2-468