921503-5508 Tohatsu SCREW

Table 1
Required Tools
Tool Part Number Part Description Qty
A 334-0114 Mounting Bar 2
B - Guide Stud
5/8 - 11 by 20 inch 4
8T-4122 Hard Washer 4
6V-4803 Thrust Bearing 4
4K-0367 Full Nut 8
C 4C-5591 Anti-Seize Compound -
F 221-8647 Seal Installer Gp 1
G 367-7439 Vented Plug 1
367-7437 Vented Plug 1
367-7436 Vented Plug 2
5P-3501 Adapter 2
3J-1907 O-Ring Seal 2
2D-7325 Pipe Tee 2
8T-0853 Pressure Gauge 2
4C-7121 Pipe Nipple 2
4C-7090 Valve 2
1U-7721 Quick Disconnect Coupler 2 Note: The following story is for 373-2565 Sea Water Heat Exchanger Gp.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g02720226
Install hose connector (12) on filler neck (16). Install O-ring seal (17) on the filler neck.
Position filler neck (16) on rear frame (8). Install bolts (14).
Install pressure cap (11).
Use Tooling (F) to install lip seals (18) in rear frame (8).
Install O-ring seal (13) on cover (10). Install water temperature regulators (15). Position cover (10) on rear frame (8) and install bolts (9). Note: Align the marks on the elbows and the rear frame to ensure proper orientation.
Install elbow (20) and elbow (19). Ensure that the elbows are in the proper orientation. Install the zinc rods in elbow (20) and elbow (19).
Illustration 2 g02149033
Install seals (7) in the elbows and rear frame (8).
Illustration 3 g02149052
Position the new seal on the heat exchanger plate. Install tabs (X) of the seal into the slots of heat exchanger plate (6).
Illustration 4 g02719922
Alternate Plates (d) and Plates (f), and Plates (f) and Plates (g), with the associated seal.
(a) 125-5595 Seal
(b) 377-3035 End Plate
(c) 125-5594 Seal
(d) 266-9516 Plate
(e) 125-5600 Seal
(f) 266-9515 Plate
(g) 266-9518 Plate
(h) 374-5493 End Plate Note: Ensure the proper order and orientation of the heat exchanger plates and the seals. Refer to Illustration 4.Note: The seals on the heat exchanger plates should face the front frame during installation.Note: Use Tooling (A) to ensure that the heat exchanger plates are properly aligned.Note: Ensure that the edges of the heat exchanger plates are properly aligned and the seals are in the proper grooves in the heat exchanger plates.Note: If the heat exchanger plates appear stuck together, or do not align during installation, the heat exchanger plates edges can be lightly lifted and adjusted.
Illustration 5 g02149027
Install heat exchanger plates (6), the seals, and front frame (2).
Install Tooling (B) in the rear frame. Ensure that Tooling (B) is securely installed. Apply Tooling (C) to the threads of the nut and the threads of the guide stud prior to installation.
Illustration 6 g02149028
Tighten the nuts on Tooling (B) evenly until the front frame is approximately 13 mm (0.5 inch) from the spacers. Note: As the front frame lowers, the heat exchanger plates will slide along Tooling (A).Note: Check the heat exchanger plates, the seals, and the seal tabs frequently during compression to ensure proper alignment. Ensure that the seals are not pinched during compression. A pinched seal will be observed by the edges of the adjacent heat exchanger plates separating slightly.Note: If the heat exchanger plates are improperly aligned during compression, the front frame can be loosened and the heat exchanger plates lightly adjusted.
Install spacers (5) and bo