John Deere — –UN–27NOV01
A John Deere service procedure — check it applies to your exact model before use.
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Before you start
- NOTE: The fuel transfer pump is driven by a push rod (D)
Procedure
- 1. Disconnect fuel inlet line (A) and outlet line (B) and cap
- connections on fuel transfer pump and fuel lines to
- keep debris out of fuel system.
- 2. Remove cap screws (C) and remove fuel transfer
- pump assembly from cylinder block.
- NOTE: The fuel transfer pump is driven by a push rod (D)
- that rides on an eccentric camshaft lobe. The
- cylinder head must be removed to remove this
- push rod.
- 3. Cover opening on cylinder block to prevent dirt from
- entering the engine.
- 4. Inspect face of pump lever for wear. If lever face is
- worn flat or concave, replace pump.
Source: manual:CTM220.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.