Caterpillar INV2000 — Spark Plug – Inspect/Adjust/Replace
Maintenance · Ignition
For the Caterpillar INV2000, from the Caterpillar owner's manual.
Applies to: Caterpillar INV2000
Before you start
- Do not perform with engine running
Procedure
- Turn generator switch off.
- Remove screws to remove outer side panel.
- Remove spark plug boot and access cover.
- Remove spark plug with plug wrench or socket.
- Visually inspect; replace if insulator cracked or electrode damaged.
- Measure gap with feeler gauge; adjust by bending side electrode.
- Check spark plug washer condition.
- Install spark plug and tighten to 9 ± 2 lb ft (12.5 ± 2 Nm).
- Reattach boot, cover, and side panel.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Gap .024-.028 in (0.6-0.7mm)
- Torque 9 ± 2 lb ft (12.5 ± 2 Nm)
Source: Caterpillar owner's 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.