21720 Mercury "O" RING, UPPER - DRIVE SHAFT


21720 "O" RING, UPPER - DRIVE SHAFT Mercury 1040102, 1075101, 1075202, 1090528, 1110100, 1110102, 1115100, 1115503, 1115525, 1115528, 1140520, 1140528, 1140629, 1150503, 1150538, 1150625 O
21720 "O" RING, UPPER - DRIVE SHAFT Mercury
Rating:
83

Buy "O" RING, UPPER - DRIVE SHAFT 21720 Mercury genuine, new aftermarket parts with delivery
Number on catalog scheme: 42
 

Mercury entire parts catalog list:

1040102 1972,1973,1974
1075101 1971,1975
1075202 1972,1973
1090528 1978,1979
1110100 1970,1971
1110102 1972,1973
1115100 1970,1971,1972
1115503 1973,1974,1976,1977
1115525 1985
1115528 1978,1979
1140520 1980
1140528 1978,1979
1140629 1979
1150503 1973,1974,1975,1976,1977,1985
1150538 1978
1150625 1985

Information:


Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
B     9S-3263     Thread Lock Compound     1    
C     8T-2998     Lubricant     1    
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01039504
Thoroughly clean the gasket material from the cylinder block.
Install a new gasket (25) and O-ring seals (26) on the cylinder block.Note: On newer blocks, an integral seal is used instead of O-ring seals (26) and gasket (25) .
Illustration 2 g00576208
Illustration 3 g01032116
Thoroughly clean all gasket material from both sides of plate (23). Install plate (23) and bolts (24) .
Install shaft assembly (20). Apply Tooling (B) to the studs and to the bolt for shaft assembly (20). Tighten the nuts and the bolt for shaft assembly (20) to a torque of 55 10 N m (41 7 lb ft).Note: The backlash for the camshaft gear and for the adjustable idler gear will need to be readjusted if shaft assembly (19) has been removed, loosened, or moved in any way. The camshaft gear must be installed and the adjustable idler gear must be removed in order to perform the backlash adjustment procedure. Refer to Testing and Adjusting, "Gear Group (Front) - Time".
Install shaft assembly (19). Do not tighten the nuts and the bolt for shaft assembly (19) at this time. The nuts and the bolt for shaft assembly (19) will need to be tightened when the backlash is adjusted.
Apply Tooling (B) to bolts (22). Install shaft assembly (21). Tighten bolts (22) to a torque of 55 10 N m (41 7 lb ft) in the following sequence: (1, 3, 4, 5, 2, 1, 2, 3, 4, 5, 1).
Illustration 4 g01074541
Illustration 5 g00516404
Put cluster gear (15) on shaft assembly (21). Ensure that Timing Marks (V) are aligned on the cluster gear and on the crankshaft gear. Apply Tooling (B) to bolts (16). Install plate (17) and bolts (16). Tighten bolts (16) to a torque of 30 7 N m (22 5 lb ft).
Illustration 6 g01074542
Position idler gear (11) on shaft assembly (20). Apply Tooling (B) to bolts (12). Install plate (13) with the oil groove toward the gear face. Install bolts (12) and tighten the bolts to a torque of 30 7 N m (22 5 lb ft).
Illustration 7 g01074546
Note: Skip Step 9 if shaft assembly (19) has been removed, loosened, or moved in any way. The backlash for the camshaft gear and for the adjustable idler gear will need to be readjusted. The camshaft gear must be installed and the adjustable idler gear must be removed in order to perform the backlash adjustment procedure. Refer to Testing and Adjusting, "Gear Group (Front) - Time".
Position adjustable idler gear (7) on shaft assembly (19). Apply Tooling (B) to bolts (8). Install plate (9) and bolts (8). Tighten bolts (8) to a torque of 30 7 N m (22 5 lb ft).
Illustration 8 g00576240
Illustration 9 g01039529
Install O-ring seals (5) and (6) in seal assembly (3). Lubricate seal (6) with a 50/50 mixture of Tooling (C) and engine oil.
Assemble thrust plate (1) and seal assembly (3). Apply Tooling (B) to bolts (2). Hold the assembly in position and install bolts (2). Evenly tighten bolts (2) until seal assembly (3) and O-ring seal (5) are seated against the cylinder head.Note: Be careful in order to ensure that O-ring seal (5) stays in the groove in seal assembly (3) .
Install adapter (4). Ensure that the dowel in adapter (4) engages the hole in the camshaft.
Adjust the backlash for the camshaft gear and for the adjustable idler gear, if necessary. Refer to Testing and Adjusting, "Gear Group (Front) - Time".Note: The camshaft gear must be installed and the adjustable idler gear must be removed in order to perform the backlash adjustment procedure.End By: Install the front housing. Refer to Disassembly and Assemb


Parts o Mercury:

25439
 
25439 O-RING
1035204, 1035207, 1040100, 1040102, 1040200, 1040208, 10402139D, 1045217, 1050200, 1050312BC, 1060504, 1070500, 1075101, 1075202, 1075524, 1080500, 1080508, 1090520, 1090524, 1090528, 1110100, 1110102, 111047JHD, 1115100, 1115473WD, 1115503, 1115520,
20863
 
20863 O-RING
1003203, 1003209, 1005200, 1007208, 1007209, 1010208, 1040100, 1040102, 1045205, 1075101, 1075202, 1075204, 1110100, 1110102, 1110204
26802
 
26802 O-RING
1005200, 1007208, 1007209, 1010208, 1020100, 1020202, 1020208, 1040100, 1040102, 1045205, 1075101, 1075202, 1075204, 1110100, 1110102, 1110204, 1200203
32546
 
32546 "O" RING, END CAP
10402139D, 1050312BC, 1060504, 1070500, 1075524, 1080500, 1080508, 1090520, 1090524, 1090528, 1115503, 1115520, 1115523, 1115525, 1115528, 1140520, 1140528, 1140629, 1150503, 1150538, 1150625, 1650502, 1650503, 1650506, 1700507, 1850503, 1850506
47386
 
47386 "O" RING, COVER TO HOUSING
1040208, 1080508, 1115503, 1115525, 1402205, 1650506, 1700507, 1850503, 1850506
62702
 
62702 "O" RING, TILT LOCK
1018204, 1035204, 1045217, 1050200, 1050312BC, 1060504, 1070500, 1080500, 1080508, 1090520, 1090528, 1115503, 1115520, 1115523, 1115525, 1115528, 1140520, 1140528, 1140629, 1150503, 1150538, 1150625, 1500206, 1850506, 1F25203VD
67207
 
67207 O-RING
111047JHD, 1115473WD, 1135473UD, 1135473VD, 1135473YD, 1135D73CD, 1135D73FT, 1150625, 1150628, 1175626, 1175P73HY, 1200473TD, 1200473UD, 1200473VD, 1200473WD, 1200473YD, 1200628, 1200D73AD, 1200D73CD, 1200D73ET, 1200D73HT, 1200E73EY, 1200E73HY, 1225E
90011
 
90011 O-RING, (2.175 x .175)
1031203PD, 1031203UB, 1031203UD, 1031207ZF, 1031312DB, 1040213YL, 1041312UB, 10432037D, 1043203DD, 1043203VD, 1043213DD, 1043302DD, 1043411DD, 1043412DB, 1043412DD, 1050302DB, 1050302FB, 1050302FD, 1050302SD, 1050312FB, 1050312LD, 1050411DD, 1050412D
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