BEARING-RLR-YM 3741846 - Caterpillar

Death or injury to the operator may occur from the improper placement of the material for sound suppression.The placement of the material for sound suppression must not affect the following functions of the operator: operator visibility, access to the cab, exit from the cab, access to the controls and operation of the controls.
Table 1
Bulk Material for Sound Suppression    
Part Number    Description    Dimension    
Width Height    Thickness    
198-8713     Foam - Sound (1)    
1829 mm (72 inch)    
1372 mm (54 inch)    
25.4 mm (1.00 inch)    
198-8715     Foam - Sound (1)    
1829 mm (72 inch)    
1372 mm (54 inch)    
50.8 mm (2.00 inch)    
198-8710     Foam - Sound    
1829 mm (72 inch)    
1372 mm (54 inch)    
25.4 mm (1.00 inch)    
198-8714     Foam - Sound    
1829 mm (72 inch)    
1372 mm (54 inch)    
50.8 mm (2.00 inch)    
199-7502     Foam - Sound (1) (3)    
1829 mm (72 inch)    
1372 mm (54 inch)    
25.4 mm (1.00 inch)    
199-7503     Foam - Sound (1) (3)    
1829 mm (72 inch)    
1372 mm (54 inch)    
50.8 mm (2.00 inch)    
198-8716     Floormat (2)    
1829 mm (72 inch)    
1372 mm (54 inch)    
15.9 mm (0.63 inch)    
( 1 ) Adhesive Backing
( 3 ) Covered with Vinyl
( 2 ) Double BarrierThe following actions may assist in the reduction of the sound level in the cab.
Pressurize the cab. The pressure of the cab must be between 5 mm (0.2 inch) and 15.2 mm (0.60 inch) of water.
Ensure that the air filters for the cab are replaced or cleaned.
Eliminate air leaks in the cab. Use a 4C-5623 Smoke Candle to identify leaks.
Inspect the seals for the door and the windows. Seals that are damaged or hardened should be replaced.
Inspect the isolation mounts for the cab assembly. Mounts that have the following problems should be replaced: damaged, worn and loose. Contact the appropriate product support group for the older machines which have direct connections between the cab and the frame.
Repair any items that rattle or vibrate.
Inspect the rubber boots on the control linkages. Replace rubber boots if the boots are damaged or missing. If the machine never had rubber boots, install the rubber boots on the control linkages.
Replace the glass that is tempered with laminated safety glass. The laminated safety glass MUST meet the following SAE specifications: J673, J674 and J103.
Replace sliding windows with laminated safety glass that is in a fixed position. The laminated safety glass MUST meet the following SAE specifications: J673, J674 and J103.
Install windows that are for arctic conditions.