918070/FP0811
5-3
Printed in U.S.A.
INDICATOR LAMPS
SEALS AND HOSES
Problem
Possible Cause
Corrective Action
Engine oil pressure indicator
light comes on during opera-
tion
Engine oil pressure too low
Stop engine immediately. Check oil level and
add oil if necessary. If oil level is correct, oil
pump may have failed
Engine oil level too low
Add engine oil; see “Checking Engine Oil
Level” on page 4-9
Oil pump not working
Replace oil pump. Contact authorized repair
center
Machine inclination too high
15° maximum inclination up and across
slopes; 25° maximum inclination down slopes
Incorrect engine oil SAE grade
Replace engine oil with proper grade; see
“Fluid Capacities/Lubricants” on page 1-4
Water temperature display
light comes on during opera-
tion
Coolant level too low
Add coolant; see “Checking Coolant Level” on
page 4-14
Fan blades rotating too slowly
Adjust v-belt tension; see “Checking and
Adjusting V-Belt Tension” on page 4-22 or
“Checking and Adjusting Air Conditioning V-
Belt Tension” on page 4-22; contact autho-
rized service center
Air filter contaminated
Service air filter; see “Air Cleaner Service” on
page 4-10
Coolant system malfunction
Service cooling system; contact authorized
service center
Battery voltage light comes on
during operation
Alternator not charging properly / malfunction-
ing alternator
Adjust v-belt tension; see “Checking and
Adjusting V-Belt Tension” on page 4-22 or
“Checking and Adjusting Air Conditioning V-
Belt Tension” on page 4-22; contact autho-
rized service center
Loose, or corroded charging circuit connec-
tions
Repair charging circuit; contact authorized
service center
Fuel light comes on
Low fuel
Add fuel
Air filter light comes on
Air filter contaminated
Service air filter; see “Air Cleaner Service” on
page 4-10
Problem
Possible Cause
Corrective Action
Oil, coolant or fuel leakage
under engine
Loose hose connection
Tighten hose connections
Seals or hoses damaged
Change seals or hoses and check engine oil,
engine coolant or fuel levels. Add engine oil,
coolant or fuel if necessary
Hydraulic fluid losses from
hydraulic system
Loose hose fittings
Tighten hose connections
Seals, hoses or lines damaged
Change seals, hoses and/or lines
Summary of Contents for 503Z
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Page 28: ...Printed in U S A 1 22 918070 FP0811 INTENTIONALLY BLANK To be removed as dealer s file copy ...
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Page 94: ...Printed in U S A 4 4 918070 FP0811 Maintenance Label ...