How To Grease Parts; How To Replace The Gasket - Furuno FSV-25S Operator's Manual

8.2.1

How to grease parts

How to grease the gear box
1. Unfasten the wing nuts from the gear box to remove the gear cover window.
2. While raising and lowering the transducer manually with the ratchet wrench (see
section 8.12.2), apply Molytone No.2 grease.
How to grease the gear shaft
Inject Daphne Eponex Grease No.2 to the grease nipple to grease the gear shaft.
Grease nipple Grease nipple
8.2.2

How to replace the gasket

If water is leaking from the main shaft, replace the gasket. A spare gasket is provided
on the cover of the main shaft.
1. Unfasten four hex. head bolts to remove two seal support plates.
2. Cut and remove the gasket.
3. Take the spare gasket from the cover of the main shaft cover and set it to the main
shaft.
4. Fasten the two seal support plates removed at step 1.
Gear cover Gear cover
window window
Inject grease until a slight Inject grease until a slight
amount comes out here. amount comes out here.
8. MAINTENANCE, TROUBLESHOOTING
Wing Wing
nut nut
Operation image Operation image
8-3