Reassembly Cylinder Head Components Install Hydraulic Lifters NOTE: Hydraulic lifters should always be installed in same position as before disassembly. 1. Lubricate lifters and lifter bores in crankcase with engine oil. 2. Install lifters into their respective lifter bores according to location and cylinder number marked during assembly. Assemble Cylinder Heads Prior to installation, lubricate all components with engine oil, paying particular attention to lip of valve stem seal, valve stems and valve guides. Install following items in order listed below using a valve spring compressor. ● Valve stem seals. ● Intake and exhaust valves. ● Valve spring caps. ● Valve springs.
● Valve spring retainers. ● Valve spring keepers. Valve Stem Seals These engines use valve stem seals on intake and exhaust valves. Always use a new seal before valves are installed in cylinder head. Also, replace seals if they are deteriorated or damaged in any way. Never reuse an old seal. 66 690 01 Rev. C KohlerEngines.com 63 N M L D K C J B I H G F E A A Valve B Head C Hydraulic Lifter D Push Rods E Valve Stem Seal F Valve Spring Cap G Spring H Valve Spring Retainers I Valve Spring Keepers J Rocker Arms K Rocker Arm Pivot L Rocker Arm Screw M Valve Cover N Fuel Pump