Battery Replacement; Relay Panel Component Replacement - Manitowoc Grove TMS800E Service And Maintenance Manual

ELECTRIC SYSTEM

Battery Replacement

Removal
CAUTION
To avoid possible engine fault codes and undesirable
operation, ensure the keyswitch has been off 2 minutes
before disconnecting batteries.
Disconnect batteries, if machine will be inactive for over
24 hours.
1. Ensure that the key switch has been off for 2 minutes.
2. Turn the battery disconnect switch to the OFF position.
3. Remove the ECM power fuse.
4. Remove negative battery cables.
5. Remove positive battery cables.
6. Tag and disconnect leads from the battery terminals
starting with the positive terminals.
7. Remove the nuts and washers from the bracket hold
down rods. Remove the hold down bracket.
8. Remove the batteries.
Installation
1. Place the batteries in the battery box.
2. Install the hold down bracket so it can hold down the
batteries. Secure the bracket (and batteries) to the
bracket hold down rods with nuts and washers.
3. Connect leads to the battery terminals starting with the
positive terminals.
4. Close the battery box cover.
5. Install the ECM power fuse.
6. Turn the battery disconnect switch to ON.
7. Verify replacement batteries work by starting crane's
engine and operating various crane components.
CAUTION
To prevent damage to electronics, in order: Ensure
keyswitch has been off 2 minutes, Battery disconnect is in
the off position, Remove ECM power fuse, Remove
negative cables, Remove positive cables
3-14

Relay Panel Component Replacement

Accessory Relay Replacement
To avoid possible engine fault codes and undesirable
operation, ensure the keyswitch has been off 2 minutes
before disconnecting batteries.
1. Turn the battery disconnect switch to off. Disconnect the
batteries starting with the negative terminals.
2. Remove the cover from the relay panel.
3. Tag and disconnect the electrical leads from the suspect
relay.
4. Remove the hardware securing the suspect relay to the
relay panel assembly. Remove suspect relay.
5. Install replacement relay on relay panel and secure it
with attaching hardware.
6. Connect the electrical leads to the relay as tagged
during removal.
7. Install the cover.
8. Connect the batteries starting with the negative cables.
Turn the battery disconnect switch to on.
9. Verify proper installation by operating all components
involved with the replacement relay and verifying they all
work.
Buzzer Replacement
1. Remove the cover from the relay panel.
2. Tag and disconnect the electrical leads from the buzzer.
3. Unscrew the plastic collar ring from back of the panel
and remove the buzzer from the hole in the panel.
4. Install replacement buzzer through the hole in panel and
secure with the plastic collar ring.
5. Connect the electrical leads to the buzzer as tagged
during removal.
6. Install the cover.
7. Verify proper operation by positioning the ignition switch
to RUN (1). Buzzer should sound when engine is not
running.
Plug-in Relays Replacement
1. Remove the cover from the relay panel.
2. Unplug the suspect relay from the receptacle.
3. Plug replacement relay into receptacle.
4. Install the cover.
Published 01-29-2014, Control # 496-00
TMS800E SERVICE MANUAL
CAUTION