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CASE > HEAVY EQUIPMENT > CRAWLER EXCAVATORS > DROTT > (35EC) - DROTT SERIES-B CRAWLER EXCAVATOR (1/69-12/77) > (07) - HYDRAULIC SYSTEM > (143) - 4-SPOOL MAIN CONTROL VALVE, (USED WITH SWING, CROWD, RIGHT TRACK AND FAST HOIST CIRCUITS)

№НомерНазваниеОпцииАльт
S506205VALVE4-spool main control - complete (Consists of items 1 thru 28)
1S13714PLUG
2S5807O-RING,0.984" ID x 1.262" OD x 0.139""O" RING - .984" ID x 1.250" OD
3S13715SPRING
4S13716VALVE POPPETPOPPET
5S81690PLUGport overload
NSSNOT SOLD SEPARATPLUG - 1-5/16" NPT
S6069O-RING,1.171" ID x 0.116" Width"O" RING - 1.171" ID x 1.403" OD
S93829BACK-UP RING,0.609" ID x 0.052" Widthback up
S5706O-RING,0.562" ID x 0.75" OD x 0.93""O" RING - .549" ID x .750" OD
6NSSNOT SOLD SEPARATPLUNGER
7S62092WIPER
8S13829PLATEseal
9S14499SPECIAL BOLTSCREW, machine - 3/8" NC x 1/2"
10NSSNOT SOLD SEPARATPLUNGER
11S7886BACK-UP RINGRING, back up
12S62291VALVE POPPETPOPPET
13S62189SPRING
14S6061O-RING,0.639" ID x 0.09" Width"O" RING - .644" ID x .818" OD
15S62289ENDplunger
16CARTRIDGE, main relief - set at 2050 PSI - (For breakdown, see figure 145)
17S81689M1CARTRIDGE, port relief - set at 3000 PSI - (For breakdown, see figure 146)
18S62190PLUG- (Includes "o" ring)
S6069O-RING,1.171" ID x 0.116" Width"O" RING - 1.171" ID x 1.403" OD
19NSSNOT SOLD SEPARATHOUSING
20S13707PLUG
21S62290BOLTCPSW - (Special)
22S62278CAPplunger
23S3518CAPSCREWCPSW, socket head - 3/8" NC x 1" Gr 8
24S62292BOLTCPSW - (Special)
25S62288SEATspring
26S62269SPRING
27S81796M1VALVECARTRIDGE, port relief - set at 2250 PSI - (For breakdown, see figure 146)
28S85640VALVECARTRIDGE, port relief - set at 2500 PSI - (For breakdown, see figure 146)
29S2476BOLTCPSW - 1/2" NC x 3-3/4" Gr 5 - (Mounts valve to turntable) - (Used on units with serial number 300 thru 707)
S4399WASHERlock - 1/2"
S7393WASHERflat - 1/2"
30S2480CPSW - 1/2" NC x 4-3/4" Gr 5 - (Mounts valve to turntable) - (Used on units with serial number 708 and after)
S7393WASHERflat - 1/2"
S98895WASHERflat - 1/2"
S49527MOUNTING PARTSMOUNT, lord
S7397WASHERflat - 9/16"
S17169INSTRUCTIONNUT, self locking - 1/2" NC