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MAINTENANCE GUIDE
A. GREASING (See Page 7-11)
Parts
1. Front Joint Pins
2. Bucket and Link Pins
3. Swing Bearing
4. Swing Internal Gear
5. Control Lever Universal Joint
NOTE: # Grease all submerged pins after operating in water.
B. ENGINE (See Page 7-17)
1. Engine Oil
2. Engine Oil
3. Engine Oil Filter
C. TRANSMISSION (See Page 7-20)
Parts
1. Travel Reduction
Gear
D. HYDRAULIC SYSTEM (See Page 7-22)
Parts
1. Check Hydraulic Oil Level
2. Drain Hydraulic Oil Tank Sump
3. Change Hydraulic Oil
4. Clean Suction Filter
5. Replace Hydraulic Oil Tank Filter
6. Replace Pilot Filter
7. Check Hoses
for leaks
and Lines
for cracks, bend, etc.
NOTE: #
Hydraulic oil changing intervals differ according to kind of hydraulic oils used. See recommended
oil chart.
## For the first time only.
Parts
Oil Lever Check
EX27u, EX35u 6.8 L (1.8 US gal)
Change
EX50u
Replacement
Oil Level Check
0.6 L (0.16 US gal) × 2
EX27u
0.5 L (0.13 US gal) × 2
Change
EX35u
0.6 L (0.16 US gal) × 2
EX50u
EX27u
EX35u
EX50u
MAINTENANCE
Quantity
9
5
1
1
4
Quantity
–
8.7 L (2.3 US gal)
1
Quantity
1
Quantity
1
1
48 L (12.7 US gal)
50 L (13.2 US gal)
78 L (20.6 US gal)
1
1
1
–
–
7-8
Interval (hours)
8
50
100
250
#
Interval (hours)
8
50
100
250
Interval (hours)
8
50
100
250
Interval (hours)
8
50
100
250
When changing hydraulic oil
##
500
1000 2000
500
1000 2000
500
1000 2000
500
1000 2000
#
#
#
#
#
#
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