(see figure 10). Using a rivet gun, hand set and pull one rivet P/N
12449496-1 fastening the MWO identification plate to rear fender.
MATERIAL CHANGE NUMBER (MCN)
This MWO is authorized by MCN 1-01-06-0003.
a. When installed correctly with the improved surge brake actuator modification
the top of surge brake housing is stenciled with, "CHECK HMMWV FOR
TOWING AUTHORIZATION". This note provides a Warning to soldiers
and denotes successful application of both the improved Surge Brake Actuator
and the Steel Draw Bar.
b. After the Improved Surge Brake Modification Kit is installed, interfaces with
Steel Draw Bar should be inspected for secure mounting. Any faults detected,
or discrepancies noted, will be corrected before the High Mobility Trailer
(HMT) is returned to normal service.
c. After HMT is modified, with both Improved Surge Brake Actuator and Steel
Draw Bar, it will be authorized for towing by light and heavy HMMWVs
marked with, "AUTHORIZED TO TOW TRAILERS WITH MAX GROSS
WEIGHT OF 3400 LBS" or "AUTHORIZED TO TOW TRAILERS WITH
MAX GROSS WEIGHT OF 4200 LBS", respectively.