Parts Manual

HYDRAULIC CIRCUITS
8990467 6042 8-11
Figure 8-2 Boom Lift/Lower & Extend/Retract
Item Part Number Qty. Description Rev.
1 7300671 1 BOOM EXTEND CYLINDER TUBE
2 7300670 1 BOOM EXTEND CYLINDER TUBE
3 8760468 2 BULKHEAD LOCKNUT
4 Ref MAIN CONTROL VALVE, (see Figure 9-8 for details)
5 2717018 2 HOSE ASSY
6 2220578 2 ELBOW, 90 DEGREES
7 2755060 2 HOSE ASSY
8 2230046 2 BULKHEAD ELBOW, 90 DEGREES, (S/N 17019 thru 19897 & 0160002408
thru 0160012301)
9 2716778 2 HOSE ASSY, (S/N 17019 thru 19897 & 0160002408 thru 0160012301)
2755059 2 HOSE ASSY, (S/N 0160012302 thru 0160039074)
1001114202 2 HOSE ASSY, (S/N 0160039075 & After)
10 8750040 5 TWIN CLAMP SET, 1.18 DIA
11 8750025 2 TWIN COVER PLATE
12 8307004 3 LOCKWASHER, 5/16
13 8303757 2 HEX HD CAPSCREW, 5/16-18X2.50
14 8750026 3 STACKING BOLT, (torque to 11.6-21 lb-ft)
15 Ref FIRST BOOM SECTION, (see Figure 2-3 for details)
16 Ref EXTEND/RETRACT CYLINDER, (see Figure 9-1 for details)
17 8769128 1 TWIN COVER PLATE
18 Ref LIFT/LOWER CYLINDER, (see Figure 9-2 for details)
19 2716784 1 HOSE ASSY
20 2716785 1 HOSE ASSY
21 2220695 2 MALE BRANCH TEE
22 2716675 2 HOSE ASSY
23 2220375 2 STRAIGHT CONNECTOR
24 2220655 1 ELBOW, 90 DEGREES, (swivel nut)
25 2220451 1 STRAIGHT CONNECTOR
26 2220578 1 ELBOW, 90 DEGREES
27 8770157 2 ELBOW, 90 DEGREES
28 8769139 1 CLAMP SET, .750 DIA. TWIN
29 8307106 9 FLAT WASHER, .34X.69X.065
30 8305006 4 HEX NUT, 5/16-18
31 8310009 2 HEX HD CAPSCREW, 5/16-18X2.0
32 Ref RH BULKHEAD PLATE, (see Figure 8-3 for details)
33 8750017 1 TWIN CLAMP LOCKING PLATE, (S/N 17019 thru 19897 & 0160002408 thru
0160033307)
8750025 1 TWIN COVER PLATE, (S/N 0160033308 & After)
34 8310009 1 HEX HD CAPSCREW, 5/16-18X2.0, (S/N 17019 thru 19897 & 0160002408
thru 0160013566)
8303746 1 HEX HD CAPSCREW, 5/16-18X1-3/4, (S/N 0160013567 & After)