PUMP GP-GEAR 2855787 - Caterpillar

Table 1
Improving the Strength of the Track Guard    
Model     Effectivity     Adaptability    
307C     S/N:BNE829-UP     S/N:BNE1-828    
S/N:BCM1170-UP S/N:BCM1-1169    
308C CR     S/N:KCX829-UP     S/N:KCX1-828    The following machines in Table 2 require a 272-2033 Idler Kit. This kit contains shims in order to adjust the clearance between the idler wheel and the frame to 3 mm (0.12 inch).
Table 2
Improving the Side Clearance    
Model     Effectivity     Adaptability    
307C     S/N:BNE798-UP     S/N:BNE1-797    
S/N:BCM1099-UP S/N:BCM1-1098    
308C CR     S/N:KCX715-UP     S/N:KCX1-714    The following machines in Table 3 require a 292-3911 Ring to improve the engagement of the idler wheel with the track links. Two rings per idler wheel need to be welded onto the existing idler wheel. This will increase the engagement with the track link by 14 mm (0.55 inch).
Table 3
Improving the Engagement of the Idler with Track Links    
Model     Effectivity     Adaptability    
307C     S/N:BNE1467-UP     S/N:BNE1-1466    
S/N:BCM1613-UP S/N:BCM1-1612    
308C CR     S/N:KCX1584-UP     S/N:KCX1-1583    The following machines in Table 4 require a 276-0978 Track Guide Guard Gp. This will increase the coverage of the track tapped holes in order to enable the center guiding guard to be assembled.
Table 4
Increase the Coverage of the Track Guide Guard Gp .    
Model     Effectivity     Adaptability    
307C     S/N:BNE1191-UP     S/N:BNE1-1190    
S/N:BCM1407-UP S/N:BCM1-1406    
308C CR     S/N:KCX1241-UP     S/N:KCX1-1240