Kohler — Pulse Fuel Pump Replacement
Maintenance
From a Kohler service manual covering: CH18, CH20, CH22, CH23, CH25, CH620, CH621, CH640, CH641, CH670, CH680, CH730…. Check it applies to your exact model before use.
Applies to: Kohler CH18
Before you start
- Make sure orientation of new pump is consistent with removed pump. Internal damage may occur if installed incorrectly.
Procedure
- Note orientation of pump before removing. Disconnect fuel lines from inlet, outlet, and pulse fittings on fuel pump.
- Remove screws and take off pump.
- Connect pulse line to new fuel pump and make sure opposite end is properly connected to fitting on crankcase or valve cover.
- Attach new fuel pump using screws. Torque screws to 2.3 N·m (20 in. lb.).
- Reconnect fuel lines to inlet and outlet fittings and secure with clamps.
Specs & values
- 2.3 N·m (20 in. lb.)
Source: Kohler 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.