Summers 3-Rank Superweeder - Manual (Page 50)

7-4
SECTION 7 – OPERATION - ALL MACHINES
MAINTENANCE AND SERVICE
LUBRICATION
Grease fitting locations and lube frequencies:
Daily: 2 on each knuckle
Daily: 1 on hinged joint on hinged wing machines
Daily: Auto-Fold pivots
Weekly: 1 on each transport wheel axle
Weekly: 1 on each pivot tube where center section
attaches to hitch
Periodic: Repack wheel bearings. Check tightness of
all hardware.
Lubricate these fittings with a good grade of general
purpose grease.
Over Winter: Coat extended hydraulic cylinder rods with
grease to prevent corrosion.
TIRE INFLATION
Listed below are recommended tire inflations:
Hitch Tires: 11L x 15 - 36 PSI
14L x 16.1 - 30 PSI
Wing Support Tires: 7.60 x 15 - 24 PSI
11L x 15 - 24 PSI
Transport Tires: 7.60 x 15 - 40 PSI
11L x 15 - 36 PSI
NO. PROBLEM CAUSE CORRECTION PAGE
1. Light main hitch.
Transport wheels located to
far back on wing tubes.
Relocate transport wheels farther
ahead on wing tubes. Use wing tube
jack bracket.
1-2
2.
Wings trail too far apart in
transport position.
Insufficient transport wheel
toe-in adjustment.
Adjust transport wheel toe-in screw
for desired trailing position.
7-1
3.
Lowers to field position in a
fast or jerky motion.
Hydraulic restrictor valve
missing or installed
backwards in hydraulic
return line.
Install restrictor valve in hydraulic
return line so flow is restricted when
machine is lowered.
2-5,
2-6,
3-7,
3-8,
4-9,
4-10
4.
Wings of machine bounce
excessively.
Improper support tire
inflation. Problems 5 & 6.
Inflate support tire to proper
pressure.
7-4
5.
Wings are not pulling evenly
in field position.
Cable pull brackets are
improperly located.
Relocated cable pull brackets until
wings slightly lead the center.
-
6.
Harrow sections not riding
level. (Culti-Harrow Only)
Top pull chains are
improperly adjusted.
Adjust top pull chains by placing in
different adjustment hole on lift arm.
2-3,
7-2
Hydraulic cylinder leaking. Replace or repair cylinder.
8-15,
8-16
Tractor hydraulic circuit not
holding pressure.
Repair tractor valve -
8.
End harrow sections riding
up on wing support tires
while turning corners. (Culti-
Harrow Only)
Turning too sharp.
Replace end section top pull chain
with a solid pull strap, or: slide a 9"
length of 1-1/2" standard pipe over
top pull chain.
2-3,
7-2
9.
20' hitch Auto-Fold arms do
not fold into transport
position.
Improper pivot bracket
adjustment.
Adjust pivot bracket with set bolts
and jam nuts.
6-1
Excessive field speed Reduce field speed. -
Adjust pull chains.
2-3,
7-2
Install optional spring pressure. 2-3
Pull chains improperly
adjusted.
7.
S-Tines on Superweeder
tend to rotate out of the
ground.
10.
Culti-Harrow Sections
jumping.