New Counterbalance Valves are Now Used on Certain Cold Planers {7562} Caterpillar


New Counterbalance Valves are Now Used on Certain Cold Planers {7562}

Usage:

PM825 ESE
Cold Planer
PM620 (S/N: JB91-197; LH91-201)
PM622 (S/N: JFC1-198; JCF1-110)
PM820 (S/N: TLZ1-101)
PM822 (S/N: SL81-135)
PM825 (S/N: ESE1-110)

Description Of Change: New counterbalance valves are now used on machines listed above. The new counterbalance valves sealing edge on the poppet to the seat has a conical shape, which allows for a larger surface on the poppet and seat, resulting in a lower leakage rate.

Adaptable To:

------ WARNING! ------

Do not operate or work on this product unless you have read and understood the instruction and warnings in the relevant Operation and Maintenance Manuals and relevant service literature. Failure to follow the instructions or heed the warnings could result in injury or death. Proper care is your responsibility.


The new valve group is adaptable to the machines within the listed serial numbers and is effective with all machines after the listed serial numbers.

Table 1
Required Parts 
Item  Qty  New Part Number  Part Name  Former Part Number 
499-8836  Flow Control Valve Gp  499-8866 
499-8837  Flow Control Valve Gp  477-9773 
499-8838  Flow Control Valve Gp  395-0825 
The new parts listed in Table 1 replace the respective former part numbers listed in Table 1.

Caterpillar Information System:

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