TACHOMETER 2141604 - Caterpillar

Clean all of the bores for the pin assemblies. Apply Tooling (F) to all of the bores for the pin assemblies.
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Attach Tooling (B) and a suitable lifting device to bucket (6). The weight of bucket (6) is approximately 10260 kg (22620 lb). Use Tooling (B) and the suitable lifting device in order to position bucket (6) to the machine. Make sure that the bores on the boom are aligned with the bores on bucket (6).
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Attach a suitable lifting device to pin assembly (14). The weight of pin assembly (14) is approximately 98 kg (215 lb). Use the suitable lifting device in order to install pin assembly (14). Push pin assembly (14) into the bore in order to engage pin assembly (14) into the outside bore and the inside bore of the bucket. Make sure that Oil Port (M) is positioned between 10 and 2 o'clock. Also make sure that Oil Port (M) does not interfere with Hole (N) for the retainer.
Steps 4.a through 4.g are for the assembly of Tooling (G).
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(G1) Inside Plate
(G2) Hard Washer
(G3) Nut
(G4) Puller Stud
(G5) Backup Plate
(G6) Bushing
(G7) Cylinder Assembly
(G8) Outside Plate
Install Puller Stud (G4) through pin assembly (14).
Position Inside Plate (G1) onto Puller Stud (G4).
Install Hard Washers (G2) and Nuts (G3) onto Puller Stud (G4).
Install Outside Plate (G8) onto Puller Stud (G4).
Use a suitable lifting device in order to install Cylinder Assembly (G7) onto Puller Stud (G4). The weight of Cylinder Assembly (G7) is approximately 45 kg (100 lb). Install Bushing (G6) onto Puller Stud (G4).
Install Backup Plate (G5) onto Puller Stud (G4).
Install Hard Washers (G2) and Nuts (G3) onto Puller Stud (G4).
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Use Tooling (G) in order to seat pin assembly (14). Pin assembly (14) is fully seated when the groove for retainer (13) is centered with the hole for retainer (13).
Install retainer (13) and spacer (12). Install shims (11) in order to minimize the gap between shims (11) and plug (10). Install the O-ring seal and plug (10).
Use a suitable lifting device in order to remove Tooling (G). The weight of Tooling (G) is approximately 91 kg (200 lb).
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Attach Tooling (H) to pin assembly (14), as shown. Use Tooling (H) and a suitable pry bar in order to align the holes in pin assembly (14) for pins (15). Install two pins (15) at 180° of each other. Use a suitable hammer in order to seat pins (15) into pin assembly (14). Install the remaining pins (15).
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Install shims (9) (not shown) and retainer plate (8). Install the washers and bolts (7). Note: Use the required amount of shims (9) (not shown) in order to achieve a gap of 0.5 - 1.0 mm (0.02 - 0.04 inch) between retainer plate (8) and bucket (6).
Repeat Step 9 for the opposite side of the pin assembly.
Repeat Steps 3 through 10 for the remaining pin assembly.
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Use a suitable lifting device in order to raise bucket link (2) into position. The weight of bucket link (2) is approximately 544 kg