LOCKNUT-BEARING 1L6957 - Caterpillar

Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1U-9352 Engine Stand 1
8T-2826 Head Adapter 1
B 8T-2679 Valve Guide Rod 1
8T-3108 Compression Plate 1
8T-3109 Retaining Plate 1
316-1493 Hydraulic Cylinder 1
4K-0367 Nut 2
F 8T-2676 Valve Guide Driver 1
H 4K-0367 Nut 2
316-1496 Hydraulic Cylinder 1
8T-2679 Valve Guide Rod 1
9U-5096 Bridge Assembly 1
J 4C-8540 Dowel Driver 1
K 439-5246 Pump 1
L 8T-2674 Valve Seat Driver 1
M 208-1356 Vacuum Pump 1
FT-1741 Vacuum Test Adapter 1
N 4C-8769 Valve Seat Driver 1
P - Loctite LB 8632 Silicone Lubricant (1) -
- Loctite LB 8104 Silicone Lubricant (2) -
- Loctite LB 8801 Silicone Lubricant (3) -
- Loctite LB Superlube (4) -
Q - Loctite 593 -
R 4C-9500 Quick Cure Primer -
S 4C-9507 Retaining Compound -
T 8T-2998 Lubricant -
(1) North America
(2) EAME
(3) Asia Pacific Division
(4) South America
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01299849
Put the cylinder head in position on Tooling (A).
Install new O-ring seals on plugs (15), plug (14), and plugs (16).
Apply clean engine oil to the O-ring seals. Install the plugs in the cylinder head. Use Tooling (J) to install the bridge dowel plug.
Illustration 2 g01299851
Apply clean engine oil to the O-ring seals. Install plugs (17) and plugs (18).
Repeat Step 4 for the opposite side of the cylinder head.
Illustration 3 g01299854
Apply clean engine oil to the O-ring seal. Install plug (19).
Illustration 4 g01299856
Apply clean engine oil to the O-ring seal. Install plug (20).
Illustration 5 g01299857
Apply Tooling (P) to new gasket (22). Install plug (21) with gasket (22) into the cylinder head pressure relief port. Tighten plug (21) to a torque of 275 25 N m (200 18 lb ft).
Illustration 6 g01299874
Earlier
Illustration 7 g00641827
Later
Note: Your cylinder head may not have this hole.
Apply Tooling (Q) on the threads of cylinder pressure pickup plug (23).
Put a new seal (24) on cylinder pressure pickup plug (23). Coat the bore lightly with glycerin.
Install cylinder pressure pickup plug (23), and tighten the cylinder pressure pickup plug to a torque of 100 15 N m (75 11 lb ft).
Illustration 8 g01299883
Apply clean engine oil to the outside of valve guide (12). Use Tooling (F) and a hammer to install valve guide (12) into the cylinder head. Be careful not to damage the cylinder head with the hammer.
Install valve guides (12) until the valve guides extend 20.0 2.0 mm (0.79 0.08 inch) above the cylinder head. This is Dimension (X).Note: The Step that follows shows an alternate method of installing the valve guides.
Illustration 9 g01299886
Install valve guides (12) hydraulically with Tooling (H) and Tooling (K).
After installation, the inside diameter of a new valve guide must be 16.031 0.028 mm (0.6311 0.0011 inch).
Illustration 10 g01300338
Use Tooling (J) and a hammer to install bridge dowels (13) into the plugs in the cylinder head.
Install bridge dowels (13) to Dimension (Y). Dimension (Y) is 105.0 2.0 mm (4.13 0.08 inch).
Illustration