New Cab Pressurizers now used on certain Underground Articulated Trucks and Load Haul Dump Machines {7311, 7342} Caterpillar

Load Haul Dump

R1300G (S/N: LJB1-UP; NJB1-359)

R1600G (S/N: 9YZ1-UP)

R1600H (S/N: 9SD1-234)

R1700G (S/N: SBR1-UP; XBR1-381)

R2900G (S/N: JLK1-UP)

R3000H (S/N: RCM1-UP)

Underground Articulated Truck

AD30 (S/N: DXR1-623)

AD45B (S/N: CXM1-566)

AD55 (S/N: DNW1-UP)

AD55B (S/N: JNW1-UP)

AD60 (S/N: KNW1-121)

Description Of Change:

Illustration 1	g06283217
Typical Cab Pressurizer

New cab pressurizers are now used. The new Cab Pressurizer Groups are a direct service replacement for the former Cab Pressurizer Groups.

Adaptable To: The changes are adaptable to above serial numbered machines, and effective in production with machines manufactured after the above listed serial numbers.

The former Cab Pressurizer Groups are no longer available at the group level. To identify a new Cab Pressurizer Gp for service replacement, refer to Table 1 for the new part number.

Parts List for New Pressurizers

Refer to Table 2 through Table 6 for a parts breakdown of the new pressurizers.

Illustration 2	g06295026
541-3403 Cab Pressurizer Gp

Illustration 3	g06295938
541-3404 Cab Pressurizer Gp

Illustration 4	g06295939
541-3405 Cab Pressurizer Gp

Illustration 5	g06295940
541-3406 Cab Pressurizer Gp

Illustration 6	g06295941
541-3407 Cab Pressurizer Gp