ENGINE AR-COMPLETE 3684902 - Caterpillar

Counterbalance Valve Operation During Slope Travel
Illustration 3 g01356448
Travel counterbalance valve (slope travel)
(1) Crossover relief valve (reverse travel)
(2) Orifice
(3) Ball
(4) Passage
(5) Spring
(6) Valve
(7) Passage
(8) Passage
(9) Passage
(10) Passage
(11) Valve
(12) Spool
(13) Passage
(14) Passage
(15) Spring
(16) Crossover relief valve (forward travel)
(17) Spring
(18) Spring chamber
(19) Passage
(20) Spring
(21) Passage
(22) Port (supply port for forward travel)
(23) Passage
(24) Port
(25) Passage
(26) Passage
(27) Port
(28) Port
(29) Passage
(30) Spring
(31) Check valve
(32) Passage
(33) Counterbalance valve
(34) Check valve
(35) Travel counterbalance valve When the machine travels down a slope, the travel motors rotate at a higher speed. The higher speed is due to the mass