Operation and Maintenance Manual
Second Edition
30
Maxiton GTJZ
5 Install the new system return filter and tighten it
securely by hand.
6 Clean up any oil that may have spilled during the
procedure.
7 Use a permanent ink marker to write the date and
number of hours from the hour meter on the filters.
8 Start the engine from the ground controls.
9 Inspect the filters and related components to be
sure that there are no leaks.
B-2 Replace the Hydraulic Tank
Intake Filters
Replacement of the hydraulic
tank intake filter is essential for good machine
performance and service life. A dirty or clogged filter
may cause the machine to perform poorly and
continued use may cause component damage.
Extremely dirty conditions may require that the filter be
replaced more often.
Burn hazard. Beware of hot oil. Contact with hot oil
may cause severe burns.
Perform this procedure with the machine off.
1 Open the ground box.
2 Remove each filter with an oil filter wrench.
3 Install the new system intake filter and tighten it
securely by hand.
4 Inspect the filters and related components to be sure
that there are no leaks.
B-3 Inspect the Electrical Wiring
Maintaining electrical wiring in good condition is
essential to safe operation and good machine
performance. Failure to find and replace burnt, chafed,
corroded or pinched wires could result in unsafe
operating conditions and may cause component
damage.
Contact with hot or live circuits
could result in death or serious injury. Remove all
rings, watches and other jewelry.
1 Inspect the following areas for burnt, chafed,
corroded and loose wires:
· motor wiring harness
· Ground control box harness connectors
· manifold wiring
2 Start the machine from the platform controls.
3 Turn the key switch to ground control and raise the
boom above the turntable covers.
Crushing hazard. Keep hands
away from the cylinder and all moving parts when
lowering the boom.
4 Turn the machine off.
5 Inspect the boom area for burnt, chafed and pinched
cables.
6 Remove the safety chock and lower the boom to the
stowed position.
7 Turn the machine off.
8 Inspect the following areas for burnt, chafed,
corroded, pinched and loose wires:
· Platform control box harness connectors
·manifold wiring
B-4 Confirm the Proper Brake
Configuration
