899912015 Mariner TAPPET, (3.298)

Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     138-7575     Link Bracket     2    Start By:
Remove the hood. Refer to Disassembly and Assembly, "Hood - Remove and Install" for the machine that is being serviced.
Remove the fan. Refer to Disassembly and Assembly, "Fan - Remove and Install" for the machine that is being serviced.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide", for tools and supplies suitable to collect and contain fluids in Caterpillar machines.Dispose of all fluids according to local regulations and mandates.
Personal injury can result from hydraulic oil pressure and hot oil.Hydraulic oil pressure can remain in the hydraulic system after the engine has been stopped. Serious injury can be caused if this pressure is not released before any service is done on the hydraulic system.Make sure all of the attachments have been lowered, oil is cool before removing any components or lines. Remove the oil filler cap only when the engine is stopped, and the filler cap is cool enough to touch with your bare hand.
At operating temperature, the engine coolant is hot and under pressure.Steam can cause personal injury.Check the coolant level only after the engine has been stopped and the fill cap is cool enough to touch with your bare hand.Remove the fill cap slowly to relieve pressure.Cooling system conditioner contains alkali. Avoid contact with the skin and eyes to prevent personal injury.
Note: Put identification marks on all lines, on all hoses, on all wires, and on all tubes for installation purposes. Plug all lines, hoses, and tubes. This helps to prevent fluid loss and this helps to keep contaminants from entering the system.Note: Drain all the fluids in a suitable container for storage or disposal.
Drain the coolant from the radiator into suitable containers for storage or disposal. The capacity of the cooling system is 53 L (14 US gal).
Drain the hydraulic oil from the hydraulic system into a suitable container for storage or disposal. The capacity of the hydraulic system is138 L (36 US gal).
Illustration 1 g00514312
Remove the bolts and washers (1). Remove the muffler mounting bracket (2) .
Illustration 2 g00514313
Disconnect hydraulic hose assembly (3) and the O-ring from tube (4). Disconnect tube (4) and the O-ring from cooler (5) .
Illustration 3 g00514314
Disconnect hydraulic hose assembly (6) and the O-ring from tube (7) .
Position a suitable jack under the guard. Remove the bolts and the washers. Remove the guard. The weight of the guard is 45 kg (100 lb).
Illustration 4 g00514315
Remove the bolts and washers (8). Remove the tube assembly and gasket (9) .
Illustration 5 g00514316
Remove the bolts and washers (10). Remove the bolts and washers (11). Remove bracket assembly (12). Repeat this step for the other side.
Illustration 6 g00514318
Remove the bolts and washers (13). Repeat this step for the other side.
Illustration 7 g00514319
Attach a hoist and a suitable lifting device to Tooling (A). Attach Tooling (A) to the top of radiator assembly (14). Remove the radiator assembly. The weight of the radiator assembly is 222 kg (490 lb).