Injection Pump: Removal

Disconnect battery ground cable. Disconnect air inlet duct from air cleaner and intake manifold. Remove rear timing belt cover and flywheel timing mark cover.
Rotate crankshaft until flywheel timing mark is on TDC compression stroke on No. 1 cylinder. Ensure injection pump and camshaft sprocket timing marks are aligned. See Fig 1 .

Fig 1: Removing Injection Pump Timing Belt Injection pump and camshaft sprocket timing marks must be aligned.
Loosen tensioner lock nut to relieve tension on belt. Remove timing belt. Disconnect throttle cable and speed control cable. Disconnect vacuum hoses and fuel cut-off solenoid.
Disconnect fuel supply, return, and all injection lines. Cap all lines and fittings. Rotate injection pump sprocket until timing marks are aligned. Install 2 M8x1.25 bolts in threaded holes to hold injection pump sprocket.
Remove sprocket retaining nut. Remove sprocket using gear puller. Remove injection pump-to-bracket bolts. Remove pump.