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375 Caterpillar Standard and Aftercooled/Filtered Operator’s Manual and Parts List
ILLUSTRATIONS AND PARTS LIST
7.7 CONTROL PARTS & DISCHARGE PARTS - 300HH AND 375H (CONTINUED)
Key Description Part Number Note Quantity
41 washer, spr lock 1/2 837508-125 4
42 washer, pl-b reg pltd 3/8 838206-071 2
43 elbow, 37 90m 1 1/2 x 1 1/2 860224-150 1
44 nipple,pipe-xs plt 1 x cl 866416-000 1
45 nipple,pipe-xs plt 1 1/2 x cl 866424-000 1
46 nipple,pipe-xs plt 1 1/2 x 6 866424-060 1
47 bushing,red pltd 1 x 3/4 867104-030 1
48 bushing,red pltd 1 1/2 x 1 867106-040 1
49 elbow, pipe 45 deg 300# plt 1 1/2" 869430-060 1
50 connector,90d str x jic 1 5/16 x 1 5/16 870616-016 1
A - SHOWN REGULATORS TO TANK 3/8" OD TUBING BLUE
B - SHOWN START RUN VALVE (END TEE) TO REG BLOCK 3/8 OD TUBING RED
C - TO UNIT OIL RETURN PORT 1/4" OD TUBING WHITE
D - SHOWN START VLV SIDE PORT TO HI-LOW VLV END PORT TEE 3/8" OD ORANGE
E - SHOWN INLET CONTROL ORFICE TO REG. ASSY 3/8" OD TUBING YELLOW (FROM
TEE TO SPEED CYLINDER)
G - TO INLET VALVE HOSE 5/16" OD WHITE
H - TO UNIT (BELOW INLET VALVE) 1/4 BLACK
J - SHOWN HI-LOW VLV(END PORT TEE) TO REG SA 3/8" OD TUBING GREEN
K - SHOWN HI-LOW VLV(SIDE PORT) TO TO REG SA 3/8" OD TUBING YELLOW
(I) Replacement o-ring part number 826502-232
(II) See page 74
(III) For color variations consult factory
(IV) See page 70
(V) See page 72.
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