Volvo Penta — Fuel Injection Pump Installation
Installation
From a Volvo Penta service manual — check it applies to your exact model before use.
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Before you start
- Coupling damage or wrong injection timing can be caused by improper tightening of bolts.
Procedure
- Turn crankshaft in normal direction to align timing mark "1 6" on viscous damper with pointer.
- Confirm No. 1 cylinder inlet and exhaust valve rocker arms are not pushed up by push rods.
- Turn crankshaft about 60° in reverse, then forward to align timing mark with pointer.
- Install coupling to injection pump and align pointer (1) on pump case with mark (2) on coupling.
- Connect pump drive coupling to drive shaft and loosen coupling mounting bolts.
- Put pump case on bracket and tighten mounting bolts temporarily.
- Connect fuel pipe and oil pipe to injection pump.
- Use injection coupling gauge (A) side marked "GO" to determine clearance and tighten bolts to specified torque.
- Tighten pump mounting bolt firmly; ensure coupling mark B aligns with pump case pointer A.
- Tighten shaft tightening bolt of coupling to specified torque.
Tools required
- Injection coupling gauge 885428 Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Flywheel and coupling clearance 49±0.25 mm [1.93±0.010 in.]
Source: Volvo Penta service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.