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Home >> Mercury >> 1987 >> Lynx XR3 >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - 4-CYL Diesel >> Removal & Installation >> Injection Pump >> Installation

Injection Pump: Installation

  1. Install injection pump on front and rear brackets. Install pump sprocket and tighten retaining nut to 51-58 ft. lbs. (70-80 N.m). Install and tighten fuel lines.
  2. Install throttle and speed control cables, vacuum hoses, and fuel cut-off solenoid connector. Ensure engine is on TDC of compression stroke on No. 1 cylinder.
  3. Install timing belt. Align timing marks on pump and camshaft sprockets. See Figure . Tighten tensioner lock nut to 15-20 ft. lbs. (20-27 N.m).
  4. Timing belt tension should be 22-33 lbs. (10-15 kg) measured on side opposite tensioner. Rotate engine 2 revolutions and recheck belt tension. Install timing belt cover and timing mark cover.
  5. Install air inlet duct. Connect battery cable. Bleed air from fuel system by loosening fuel line at No. 1 injector. Crank engine until a solid stream of fuel flows from connection. Repeat for each injector.
  6. Check and adjust injection pump timing. See ADJUSTMENTS  . Run engine while checking for fuel leaks. Adjust engine idle.
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