349F and 352F Excavators Machine System Specifications Caterpillar


Accumulator (Pilot)

Usage:

352F-VG A9J


Illustration 1g02592601
Typical example

Table 1
Item  Qty  Part  Specification Description 
Tighten the cap to 30 to 35 N·m (266 to 310 lb in)

352-6990 Hydraulic Accumulator Gp (UnCharged)

Table 2
Item  Qty  Part  Specification Description 
Service pressure is 3430 kPa (497 psi)
Working temperature range is −30° C to 93° C (−22° F to 199° F)
Internal volume of compartment for oil is 0.32 L (19.52 cubic inch)
Internal volume of compartment for gas is 0.32 L (19.52 cubic inch)
Charging medium is Dry Nitrogen. 

351-9674 Hydraulic Accumulator Gp (Charged)

Table 3
Item  Qty  Part  Specification Description 
Precharge pressure at 20° C (68° F) is 1800 ± 10 kPa (261 ± 2 psi)
Service pressure is 3430 kPa (497 psi)
Working temperature range is −40° C to 100° C (−40° F to 212° F)
Internal volume of compartment for oil is 0.32 L (19.52 cubic inch)
Internal volume of compartment for gas is 0.32 L (19.52 cubic inch)
Charging medium is Dry Nitrogen. 

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