ADAPTER 2G7744 - Caterpillar

Illustration 2 g03746085
Right-hand side of the machine
Remove J-loop hose (N), hose clamps, and hose clipping hardware (F). Discard all parts.
Remove connector (M), adapter (L), connector (K), and check valve (H). Discard all parts.
Remove adapter (G) from tee assembly (E) in the separate circuit return line (J). Discard adapter (G) .
Install 9S-4185 O-Ring Plug (4) in place of adapter (G) with 3K-0360 O-Ring Seal (5) in the separate circuit return line (J) .
Illustration 3 g03746111
View of area D (Shown in illustration 2)
Temporarily disconnect vent hose (B) .
Remove tee (C) from the bulkhead port. Discard the part.
Install elbow (6) using O-ring seal (7) to the bulkhead port. Refer to Illustration 3.
Install vent hose (B) that was removed in Step 5 in the same location.Removal of 311-4612 Check Valve As at the Generator Vent Line (MDB1-Up, SCG1-Up)
Table 4
Required Parts List    
Item    Quantity    New Part Number    Description    
8     1     9S-8005     O-Ring Plug    
9     1     9S-4182     Plug    
10     1     3J-7354     O-Ring Seal    
11     1     3K-0360     O-Ring Seal    
Illustration 4 g03746114
Right-hand side of engine
Remove vent hose (P), and hose clamps, tube (R), elbow (S), adapter (T), and connector (U) from the generator (V). Save elbow (S) for use in "Removal of Existing 311-4612 Check Valve As and J-Loop in the Separate Circuit Vent Lines". Discard the other parts. Refer to Illustration 4.
Illustration 5 g03746124
Remove the existing check valve (W) from the port on generator. Discard the part.
Illustration 6 g03746702
Install O-ring plug (8) with O-ring seal (11) to the port on the generator as shown in illustration 6. Tighten O-ring plug (8) to 55 10 N m (41 7 lb ft).
Illustration 7 g03746125
Right-hand side of engine
Remove vent hose (X) and associated hose clamps and attached hardware. Refer to Illustration 7.
Illustration 8 g03746131
Right-hand side of engine compartment
Remove elbow (Z) from the generator vent line port to shunt tank (Y) as shown in Illustration 8. Discard elbow.
Install Plug (9) to the generator vent line port with O-ring seal (10) to shunt tank.