An Improved Walkway Gp Is Now Available for Certain Asphalt Screeds {7255} Caterpillar

Asphalt Paver

AP1000F (S/N: AC41-UP)

AP1055F (S/N: TJ51-UP; RLM1-UP)

AP500F (S/N: 5031-UP; 4491-UP)

AP555F (S/N: AP51-UP; M451-UP; 5F51-UP; RBM1-UP)

AP600F (S/N: AP61-UP; LR61-UP)

AP655F (S/N: 4801-UP; 4521-UP; 4531-UP; P651-UP; 6551-UP; MH61-UP; ML61-UP; 4791-UP)

AP655F L (S/N: AC61-UP)

Asphalt Screed

SE50 V (S/N: J971-304)

SE50 VT (S/N: J6K1-249)

SE60 V (S/N: JJ31-616)

SE60V XW (S/N: JS91-208)

SE60VT XW (S/N: TLW1-281)

Reference: Special Instructions , M0091243, "Procedure to Assemble Sliding Walk Ways for the SE Series Screeds"

Description Of Change: The following walkway groups have been revised with several minor improvements to improve durability:

SE50V, SE50VT : 428-4934 Walkway Gp

SE60V : 453-6579 Walkway Gp

SE60V-XW, SE60VT-XW : 390-4830 Walkway Gp

Following are the improvements made on the walkway groups:

• Added bracket to hold the walkways to the center support tube.

• Original C channel structure design replaced with rigid box section.

• New roller mounts to eliminate roller overhang.

• Added four extra rollers, with adjustable cams, to improve stability.

• Added shims to screed to walkway mount, to lessen side to side movement.

• Added round loop to front of walkway, to allow a boar or shovel handle to assist when folding walkway up.

• New latch plate that has a catch and a pin, for easier operation.

Adaptable To: The improved walkway groups are adaptable to all products within the listed serial numbers and are effective in production with all products after the listed serial numbers.

For assembly and adjustment procedure of new walkway groups, refer to Special Instructions , M0091243, "Procedure to Assemble Sliding Walk Ways for the SE Series Screeds".

The Special Instruction is available through the normal literature distribution system. The publication can also be found on the Caterpillar Service Information System (SIS).