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CAB RELAYS REPLACEMENT
Figure 2. Relays K30 through K33 and K15 Location and Removal

Maintenance Manual For Hydraulic Excavator Type 1 With Hydraulic Thumb And Quick Latch -4 Page Navigation
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TM 5-3805-294-23-4
0503
REMOVAL - Continued
Relays are removed from relay block by pressing out on plastic tabs on sides of holder
and pulling out relay.
1.
Remove relay K1 (Figure 1, Item 1) from relay block (Figure 1, Item 2).
1
K12
K11
K5
K4
K3
K2
K1
2
K10
K9
K8
K7
K6
K14
K13
HYEX02879
Figure 1.
Relays K1 Through K14 Location and Removal.
2.
If required, remove remaining 13 relays in the same manner as in Step (1) above.
Table 1.
Relays K1 Through K14 Identification.
Relay Number
Relay Identification
K1
Load Dump Relay
K2
Pilot Shutoff Relay
K3
Security Alarm Relay
K4
Starter Cut Relay
K5
Security Relay
K6
Windshield Wiper Relay
K7
Drive Light Relay
K8
Boom Work Light Relay
K9
Windshield Washer Relay
K10
Horn Relay
K11
Air Conditioner Compressor Clutch Relay
0503-2


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