Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 387Get this manual

Mercury Mariner 30/40 4-Stroke Outboard Service Manual 1998, Page 387

NON-BIGFOOT GEAR HOUSING
Disassembly
Water Pump
NOTE: If water tube seal remained in drive shaft housing, remove seal from housing and reinstall on water pump coverSecure seal to cover with Loctite 405
1Remove bolts securing pump cover