Grove
Published 01-14-2021 Control # 707-01
4-13
TMS9000-2 SERVICE MANUAL
SUPERSTRUCTURE
4
14.
Tap lift cylinder pin all the way in, be sure pin is properly
aligned with bolt hole on side of boom (Figure 4-14).
15.
Install bolt to secure pin (1), (Figure 4-15).
16.
Adjust stop bolts on other side of boom.
17.
Connect the hydraulic lines as tagged before removal
from the boom to the turntable.
18.
Connect the electrical cables from the boom to the
turntable.
Functional Check
1.
Activate the hydraulic system and check for proper
operation and leaks.
2.
Make sure that the boom will extend and retract
properly.
NOTE:
Cycle the boom several times to evacuate air from
the telescope cylinder.
3.
Make sure the lift cylinder does not allow the boom to
drift down
BOOM NOSE SHEAVES
Do not attempt to work on the boom without experienced
supervision.
Boom Nose Sheaves Removal
1.
Remove the securing pins (16), (Figure 4-16) from the
cable retainer pins (15, 20, 21), (Figure 4-16) and
remove the cable retainer pins from the upper and lower
part of the boom nose.
2.
Remove the two hex head screws (5), (Figure 4-16)
securing the cover plate (4), (Figure 4-16) to the upper
boom nose axle (2), (Figure 4-16). Remove the cover
plate.
NOTE:
The
boom
nose
sheave
shafts
weigh
approximately 12.5 kg (27.5 lb) each. The boom
nose sheaves weigh approximately 17.4 kg (38 lb)
each.
3.
Carefully pull the upper boom nose sheave shaft (6),
(Figure 4-16) from the boom nose, removing the
spacers, and boom nose sheaves (4), (Figure 4-16).
Note
the quantity of the spacers for installation.
4.
Repeat Steps 2 and 3 and remove the lower boom nose
sheave shaft.
5.
Remove the shim, washer, keyed washer and locknut
from both sheave shafts.
CAUTION
Pinch Hazard!
Use caution when installing pin, high pinch point risk.
9286-9
FIGURE 4-14
9286-10
FIGURE 4-15
1
DANGER
Accident Hazard!
To prevent serious injury or death, always wear personal
protective equipment; i.e., a hard hat, eye protection,
gloves and metatarsal boots.
Fo
r
Reference
Only