Service And Maintenance; Service - Wallenstein GX620 Operator's Manual

5

SERVICE AND MAINTENANCE

MAINTENANCE SAFETY
• Good maintenance is your responsibility.
Poor maintenance is an invitation to trouble.
• Follow good shop practices.
- Keep service area clean and dry.
- Be sure electrical outlets and tools are
properly grounded.
- Use adequate light for the job at hand.
• Make sure there is plenty of ventilation. Nev-
er operate the engine of the towing vehicle in
a closed building. The exhaust fumes may
cause asphyxiation.
• Before working on this machine, shut off the
engine, set the brake, and turn fuel valve
off.
• Never work under equipment unless it is
blocked securely.
• Always use personal protection devices
such as eye, hand and hearing protectors,
when performing any service or main-
tenance work. Use heavy gloves when
handling sharp components.
• Where replacement parts are necessary
for periodic maintenance and servicing,
genuine factory replacement parts must be
used to restore your equipment to original
specifi cations. The manufacturer will not be
responsible for injuries or damages caused
by use of unapproved parts and/or acces-
sories.
• A fi re extinguisher and fi rst aid kit should
be kept readily accessible while performing
maintenance on this equipment.
• Periodically tighten all bolts, nuts and
screws and check that all electrical and fuel
connections are properly secured to ensure
unit is in a safe condition.
• When completing a maintenance or service
function, make sure all safety shields and de-
vices are installed before placing unit in serv-
ice.
54

5.1 SERVICE

5.1.1 FLUIDS AND LUBRICANTS
1. Grease:
Use an SAE multipurpose high temperature
grease with extreme pressure (EP) perform-
ance. Also acceptable is an SAE multipur-
pose lithium base grease.
2. Engine Oil:
Use SAE Heavy Duty hydraulic oil for all oper-
ating conditions.
Reservoir capacity: 3 U.S. gallons (11 liters)
3. Your machine can operate at top effi ciency
only if clean lubricants are used. Use clean
containers to handle all lubricants. Store
them in an area protected from dust, moisture
and other contaminants.
5.1.2 GREASING
Use the Maintenance Checklist provided to keep a
record of all scheduled maintenance.
1. Use a hand-held grease gun for all greasing.
2. Wipe grease fi tting with a clean cloth before
greasing, to avoid injecting dirt and grit.
3. Replace and repair broken fi ttings immedi-
ately.
4. If fi ttings will not take grease, remove and
clean thoroughly. Also clean lubricant pas-
sageway. Replace fi ttings if necessary.