ACTUATOR GP 4629840 - Caterpillar

Removal Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     1U-7505     Mobile Transmission Jack (Low Lift)     1    
Accidental machine starting can cause injury or death to personnel working on the machine.To avoid accidental machine starting, turn the battery disconnect switch to the OFF position and remove the key. If the machine is not equipped with a battery disconnect switch, disconnect the battery cables from the battery and tape the battery clamps.Place a do not operate tag at the battery disconnect switch location to inform personnel that the machine is being worked on.
Note: The weights of bottom guards are between 45 kg (100 lb) and 84 kg (185 lb). Bottom guards may contain 90 kg (200 lb) of rock, dirt, liquids, and debris.
Illustration 1 g00701916
Use Tooling (A) and a suitable block to support the front bottom guard.
Remove nuts (1) and the washers.
Remove bolts (2) and the washers. Lower Tooling (A) and remove the front bottom guard from the machine.
Illustration 2 g00809285
Move Tooling (A) and support the next bottom guard that will be removed.
Illustration 3 g00809287
Remove nuts (4) and the washers that attach bottom guard (3) to both sides of tractor frame (5). Remove pin (6). Lower Tooling (A) and remove bottom guard (3) from the machine.
Repeat Steps 4 and 5, as needed.Lowering Bottom Guards
Table 2
Required Tools    
Tool    Part Number    Part Description    Qty    
A     1U-9200     Lever Puller     1    
Illustration 4 g00809277
Attach suitable lifting device (1) to one side of the machine, as shown. Attach Tooling (A) to the other side of the machine. Attach suitable lifting device (1) to Tooling (A) and pull tightly under bottom guard (2), as shown.
Illustration 5 g00809278
Remove nuts (3) from both sides that secure bottom guard (2) to machine frame (4) .
Illustration 6 g01205500
Use Tooling (A) to lower the bottom guard to ground level. The bottom guard pivots on pin (5) which was not removed.Note: The weights of the bottom guards are between 45 kg (100 lb) and 84 kg (185 lb). Bottom guards may contain 90 kg (200 lb) of rock, dirt, liquids, and debris.