RECOMMENDATIONS FOR FITTING LH150 GEARBOX



1.    FIT "O" RING TO DRIVING GEAR. (If not already fitted)

2.    BOLT DRIVING GEAR TO FLYWHEEL

3.    CAREFULLY INSERT OIL PUMP DRIVING GEAR INTO ADAPTOR OIL SEAL.

4.    LUBRICATE "O" RING ON DRIVING GEAR

5.    OFFER UP ADAPTOR ASSEMBLY TO ENGINE, TURNING PUMP DRIVE GEAR TO
       FACILITATE PASSAGE OVER "O" RING AND TO LOCATE WITH PEG ON GEAR.
       IF NECESSARY USE HAMMER AND WOODEN DRIFT FOR FINAL LOCATION.

6.    SECURE ADAPTOR WITH 3/8"unc BOLTS & SPRING WASHERS

7.    ASSEMBLE DEFLECTOR PLATE TO GEARBOX HOUSING FOLLOWED BY OIL
       PUMP. CHECK CONDITION OF S/U PLUG (REPLACE IF TWISTED) & TIGHTEN

8.    CHECK THAT JOINT 201-25740 WILL FIT OVER GEARBOX REGISTER - TRIM IF
       NECESSARY OR DAMPEN SLIGHTLY TO EXPAND.
       SPREAD THIN FILM OF JOINTING COMPOUND (HYLOMAR) ON BOTH FACES OF
       JOINT, GEARBOX FACE AND ADAPTOR FACE. ALLOW TO DRY (circa 30secs) &
       STICK JOINT TO GEARBOX.

9.    PLACE SPIGOT BUSH IN DRIVING GEAR & LUBRICATE. OFFER UP GEARBOX TO
       ADAPTOR, TURNING COUPLING TO FACILITATE ENGAGEMENT OF GEARS.
       DO NOT FORCE.

10.  HANG GEARBOX ON TOP TWO STUDS AND ROTATE ENGINE SLIGHTLY UNTIL
       IT IS EVIDENT THAT OIL PUMP GEARS HAVE MESHED. GEARBOX MAY THEN
       BE BOLTED UP TO ADAPTOR AND FILLED WITH EP80/90 OIL ALONG WITH
       REDUCTION BOX (if fitted)

NOTE:   *    IT IS VERY EASY TO DAMAGE OIL PUMP SHAFT EITHER WHEN
                     GEARBOX IS BEING HANDLED OR FITTED.
               *    TREAT WITH GREAT CARE & NEVER FORCE ASSEMBLY OR TRY TO MAKE
                     MATING SURFACES 'MEET' BY TIGHTENING NUTS.
               *    REPLACEMENT OF THE OIL PUMP SHAFT IS EXPENSIVE

PETER THOMPSON
(t/as MARINE ENGINE SERVICES)

TEL: 01895-236246 MOB: 07711-717741 FAX: 01895-813322