The idle speed controller serves to maintain the set idle speed of the engine unchanged when it is started, warmed up and load changes caused by the inclusion of auxiliary equipment
Place a container for used oil under the engine crankcase
Unscrew the plug and drain the oil from the crankcase
Rubber-metal hinges and rubber cushions must be replaced in case of ruptures and one-sided bulging of rubber, as well as when their end surfaces are trimmed
UMZ-4215 engines have a traditional design, which has been produced by Volzhskie Motors OJSC for a long time
Remove the locking ring if it remains on the input shaft
Remove the bulk rollers (14 pcs.) of the front bearing of the secondary shaft, if this has not been done previously
On the engine mod. ZMZ-4062 type A14DVR spark plugs are installed on engines mod. ZMZ-402 and ZMZ-4021 - type A14VR
Removal and disassembly
Remove the cylinder head, article - Cylinder head ZMZ-402 GAZ-2705