BOOM TMS700E SERVICE MANUAL
4-4 Published 01-29-2015, Control # 512-01
12. Take up the slack on the boom lifting device.
13. Remove the bolt, lockwasher, nut, and retaining pin
securing the boom pivot shaft. Remove the grease
fittings from the pivot shaft. Remove the boom pivot
shaft.
14. Raise the boom clear of the crane and lower to ground
level for service.
Disassembly
1. Remove the boom in accordance with the Removal,
page 4-2 procedures outlined in this section.
2. If necessary, on the left side of the boom remove the two
bolts and washers securing the RCL cable angle
brackets to the base, Section 2, and Section 3.
3. On the top front of Section 1, remove the cotter pins, four
spacers, shaft, and eight cable rollers.
4. Repeat step 3 on Section 2, removing seven rollers.
5. Repeat step 3 on Section 3, removing six rollers.
6. On the left side of Section 1, remove the bolt, two nuts,
and the trigger weldment from the brackets.
7. Remove the clamp halves securing the two hydraulic
lines to the rear of Section 1. Tag and disconnect the two
hydraulic lines from the lower telescope cylinder. Cap or
plug all openings.
8. Remove the five bolts and hardened washers securing
each lower telescope cylinder rod mounting plate to the
rear of Section 1.
NOTE: The combined weight of the boom Section 2,
Section 3, and Section 4, including the telescope
cylinders, is approximately 9939 kg (20,911 lb).
9. Slide the assembly out of the base part way.
Item Description
1 Section 4
2 Section 3
3 Section 2
4 Section 1
5 Upper Telescope Cylinder
6 Lower Telescope Cylinder
7 Sheave Mounting Assembly
8 Upper Cylinder Support Foot
9 Wear Pad
10 Sheave Assembly
11 Sheave Shaft
12 Sheave Shaft Plate
13 Cable Retainer
14 Extend Cables
15 Retract Cables
16 Skid Pad
17 Lower Cylinder Mount
18 Shaft
19 Upper Cylinder Support
20 Wear Pad Support
21 Wear Pad
22 Cable Roller
23 RCL Cable Mounting Angle
24 Upper Wear Pad Keeper Plate
25 Lower and SIde Wear Pad Keeper Plate
26 Upper Boom Nose Sheaves
27 Lower Boom Nose Sheaves
28 Cable Retainer Pin
29 Sheave Shaft/Swingaway Anchor Lugs
30 Guide Block
31 Shim
WARNING
Shut down the crane and disconnect the batteries before
proceeding.
Reference Only
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