Parts Manual Owner's manual

3120820 3-7
S
E
C
T
I
O
N
3
B
O
O
M
SECTION 3 BOOM
121 4761400 Lockwasher 1/4" 18
122 4300032 Stud (Welded on Part) 8
123 3840858 Rod, Tube Retainer 1
124 4562516 Tube 1
125 4340453 Support, Bracket 1
126 0181175 Angle (Prior to August 1992) 1
127 4761500 Lockwasher 5/16" 3
128 0641510 Bolt 5/16"-18NC x 1 1/4" 3
129 3311501 Nut 5/16"-18NC 3
130 4751500 Flatwasher 5/16" 6
131 4340520 Support (Prior to August 1992) 2
132 4740349 Washer, Special 1
133 3421632 Pin (Prior to March 1993) 1
134 3536001 Plate, Ramp (Left Side) 1
135 3421571 Pin, Attach 2
136 1380124 Clip, Retainer (Prior to May 1995) 34
137 4920385 Wire, Safety (Prior to May 1995)
17.6’/5.4m
138 3840975 Rod, Hose Retainer (Right Side) (Prior to March
1993)
1
139 3430408 Pin, Clevis 1/4" x 1" 1
140 3450203 Pin, Cotter 1/16" x 3/4" 1
141 3421628 Pin, Attach 2
142 1260254 Chain, Safety (Upper) 1
143 1360234 Clevis, Chain 1
144 4160098 Washer, Belleville 104
Note: Top of base section requires qty 75 on both
standard machines & machines with broken
chain limit switch (See Figure 3-6). Standard
machines require qty 27 at the bottom of inner
mid section. Machines with broken chain limit
switch require the standard qty 27 plus an
additional qty 48 per Figure 3-6 for a total qty of
75 at bottom of inner mid section.
145 4712000 Flatwasher 5/8” (Narrow) 2
146 0361727 Bar 1
147 1260261 Chain, Safety (Lower) 1
148 1360223 Clevis, Chain 1
149 1060016 Cable, Electrical - 16/3 Options: A/R
Prior to S/N 47227
50 ft./15.3m
S/N 47227 to Present
30 ft./9.1m
150 to 152 Not Used
153 3340494 Pad, Wear (Inner Mid Front Bottom) 2
154 4070600 Shim 1/8"/3.2mm A/R
155 4070601 Shim 1/16"/1.6mm A/R
156 1670321 Cover (Prior to S/N 40599) 1
157 Not Used
158 0741608 Screw, Countersunk 3/8"-16NC x 1" 1
159 3520029 Plug, Hole (Prior to S/N 47227) 4
160 4740304 Washer, Spacer 2
161 0641407 Bolt 1/4" - 20 NC x 7/8" 2
FIGURE 3-1. BOOM ASSEMBLY COMPONENTS INSTALLATION (CONTINUED)
FIG & ITEM # PART NUMBER DESCRIPTION QTY. REV.