Parts Manual User Manual
3-8 3120750
SECTION 3 BOOM
S
E
C
T
I
O
N
3
B
O
O
M
114 4040263 Pin 1
115 3841143 Keeper, Pin 2
116 3841258 Keeper, Pin 1
117 Shaft, Pivot 1
Use 3422827 Prior to S/N 50172 (was p/n 4040260)
3422827 S/N 50172 to Present
118 4060946 Guard 1
119 4060947 Guard 1
120 4420055 Tape
6in/18cm
121 Check Valve Assembly Options: 1
Use 4641080 Valve - Prior to S/N39031 (was p/n 4641058)
Not Available Cartridges, Replacement for p/n 4641058 Valve (Not
Field Serviceable)
4641080 Valve - S/N39031 to Present
121A 7012981 Cartridge, Relief 2
7012998 Seal Kit - 7012981 Cartridge 2
121B 7012955 Cartridge, Check 2
7012967 Seal Kit - 7012955 Cartridge 2
122 4740247 Thrustwasher 1
123 4751400 Flatwasher 1/4” 5
124 Not Used
125 4845609 Support Weldment 1
126 Level Weldment Options: 1
Use 4845874 Prior to S/N38150 (was p/n 4845610)
4845874 S/N38150 to Present
127
3440636
Roll Pin (Prior to S/N 50172) 1
128 3841340 Hose Loop 1
129 Not Used
130 0962006 Bushing, Garmax 4
131 0641607 Bolt 3/8”-16NC x 7/8” 3
0258770 PROXIMITY SWITCH INSTALLATION Ref. 1/A
201 4360464 Proximity Switch/Harness Assembly 1
202 4922197 Relay/Harness Assembly (Not Shown - See Section 7 for
Breakdown)
1
203 to 205 Not Used
206 2540022 Grommet 1
207 2820036 Loom A/R
FIGURE 3-2. MAIN BOOM AND CYLINDERS INSTALLATION - 450A (CONTINUED)
FIG & ITEM # PART NUMBER DESCRIPTION QTY. REV.