Grove
Published 01-14-2021 Control # 707-01
4-39
TMS9000-2 SERVICE MANUAL
SUPERSTRUCTURE
4
Proximity Switch Descriptions
There are a number of proximity switches used in the pinning
mechanism. Some of the switches confirm the location of
components in the mechanism. Some are used to determine
the alignment of the telescoping cylinder with boom sections.
Proximity Switches for Hydraulic Actuator Position
There are 3 proximity switches for confirming the position of
the hydraulic actuator (5), (Figure 4-26). They detect a target
9300
FIGURE 4-26
Mechanical Locking Head Layout
Item Number
Description
1
I/O Module
2
Valve for pinning control
3
Valve for pinning control
4
Proximity Switch S2112N
5
Double-acting hydraulic actuator
6
Proximity Switch S2111N
7
Butterfly levers that engage with section
pins
8
Proximity Switch S2110N
9
Actuator sliding plate
10
Left side cylinder pin that engages with
boom sections
11
Proximity switch S2115N
12
Right side cylinder pin that engages with
boom sections
13
Proximity Switch S2116N
14
Proximity Switch S2114N
15
Proximity Switch S2117N
16
Proximity Switch S2118N
17
Sample boom section plate in “foot area”
that includes a slot
18
Sample boom section plate in “foot area”
that is solid
Item Number
Description
Fo
r
Reference
Only
