UNIT TROUBLESHOOTING - CONTINUED
TEST OR INSPECTION
7. BRAKES WILL NOT RELEASE - BOTH DOLLIES - CONTINUED
Step 5. If problem appears to be that parking brakes on rear dolly wheels are applied and
cannot be released, release the spring brakes manually as per data plate on rear
platform (page 4-93). If spring brakes cannot be released manually, replace the
spring brake units (page 4-95).
8. SERVICE BRAKES DO NOT HOLD SUFFICIENTLY ON FRONT AND REAR DOLLIES
Step 1. Check connection of intervehicular service air brake hose (1) and emergency air
brake hose (2).
Connect intervehicular brake hoses properly as applicable, service to service,
emergency to emergency.