821733950 Mariner OWNERS GUIDE (55) (GRAY)


821733950 OWNERS GUIDE (55) (GRAY) Mariner 7050412YD, 7060412ET OWNERS
821733950 OWNERS GUIDE (55) (GRAY) Mariner
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Buy OWNERS GUIDE (55) (GRAY) 821733950 Mariner genuine, new aftermarket parts with delivery
Number on catalog scheme:
 

Compatible models:

Mariner entire parts catalog list:

7050412YD 1991,1992,1993,1994,1995,1996
7060412ET 1996

Information:


Table 1
Valve Lash Check: Engine Stopped    
Inlet     0.38 0.10 mm (0.015 0.004 inch)    
Exhaust    
1.02 0.10 mm (0.040 0.004 inch)    If the measurement is not within tolerance, adjust the valve bridge and then adjust the valve lash.Valve Bridge Adjustment
When the head is disassembled, mark the valve bridges for the respective cylinders. Adjustment of the bridge will be necessary after grinding of the valves or other reconditioning of the cylinder head.The valve bridge must be adjusted before the valve lash is adjusted. The valve bridge can be adjusted without removal of the rocker arms and shafts.Use the following procedure to adjust the valve bridges:
Remove the valve cover.
Ensure that the No. 1 piston is at the top center (TC) position. Refer to Testing And Adjusting, "Finding the Top Center Position for the No. 1 Piston".
Work on the appropriate cylinders that are listed in Testing and Adjusting, "Crankshaft Positions for Valve Lash Setting".
Illustration 1 g00746680
(1) Ignition harness (2) Transformer
Disconnect ignition harness (1) .
Grasp transformer (2) and pull the transformer straight out of the cylinder head.
Illustration 2 g00746697
(3) Locknut (4) Adjustment screw (5) Valve bridge (6) Rocker arm
Illustration 3 g00820226
(3) Locknut (4) Adjustment screw (5) Valve bridge (6) Rocker arm (7) Bridge dowelNote: If the cylinder head is disassembled, keep the valve bridges with the respective valves. Check that bridge dowels (7) are installed to the correct height. Lubricate the bridge dowel, the bore for the bridge dowel, and the top contact surface of the valve bridge. Install the valve bridge on the dowel.
Loosen locknut (3) and adjusting screw (4) .
Press straight down on rocker arm (6) at the contact point for valve bridge (5) . Turn adjusting screw (4) clockwise until the screw just contacts the valve stem.
Tighten adjusting screw (4) for an additional 25 5 degrees in order to straighten the valve bridge onto the dowel.This also compensates for slack in the threads of the adjustment screw.
Hold adjusting screw (4) in position and tighten locknut (3) to 47 9 N m (35 7 lb ft).
Ensure that the valve lash is correct. Refer to "Valve Lash Check".
Install transformer (2) .
Connect ignition harness (1) .
Install the valve cover.Valve Lash Adjustment
The valve bridge must be adjusted before the valve lash is adjusted.
Ensure that the No. 1 piston is at the top center (TC) position. Refer to Testing And Adjusting, "Finding the Top Center Position for the No. 1 Piston".
Work on the appropriate cylinders that are listed in Testing and Adjusting, "Crankshaft Positions for Valve Lash Setting".
Illustration 4 g00769478
(1) Locknut (2) Adjustment screw (3) Rocker arm (4) Wear seat
Loosen locknut (1) and adjusting screw (2) .
Insert the appropriate feeler gauge between rocker arm (3) and wear seat (4) . Refer to Table 3.
Table 2
Valve Lash Setting: Engine Stopped    
Inlet    
0.38 0.10 mm (0.015 0.004 inch)    
Exhaust    
1.02 0.10 mm (0.040 0.004 inch)    
Hold adjusting screw (2) in place and tighten locknut (1) to a torque of 30 4 N m (22 3 lb ft).
Verify that the setting is correct.
Remove the timing bolt from the flywheel housing. Rotate the crankshaft for 360 degrees. Install the timing bolt in the flywheel housing.
With the No. 1 piston in the top center of the opposite stroke, perform Steps 1 through 7 for the remaining cylinders.
Remove the timing bolt from the flywheel housing.


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