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General Maintenance for your TERRCO
A. Gear Case
1. Ref. #10 - Four grease fittings
to be greased with 3 shots of Mobilith AW1 or
the equivalent every six months.
2. Ref. #29 - The main gear box
contains 28 pounds of Mobilith AW1. Check
the level once a year by removing plug at the
front of the gear case. Grease should be half-
way up on the drive upper gear. DO NOT FILL
TO THE TOP. The drive gear must not be
covered, as you will create a condition of
extreme pressure with resultant seal damage
and grease leakage.
B. Spark Plugs
1. Every 100 hours or every two weeks
check spark plug gap and reset. Use D9J
(Champion) for LP gap at 0.030".
C. Air Filter
1. Clean everyday.
D. Clutch (Dry) Special Feramic Face.
1. Your clutch will need adjustment if
your clutch shows evidence of slipping or
overheating.
2. To adjust clutch:
a. Close fuel shut off valve on tank.
b. Disconnect fuel line.
c. Remove inspection plate over
clutch housing and follow directions in
Wisconsin Manual.
E. Belt Replacement
1. Remove belt guard (Fig. 2)
2. Loosen locking nut on adjusting
screw, (Fig. 2), and loosen adjusting screw.
3. Loosen three cap screws (Fig. 2) on
idler bracket and push idler bracket forward.
4. Remove worn belt. With new belt
positioned in their respective grooves on pinion
sheave, pull belt out to you and position in
respective grooves on idler bracket sheaves.
Pull up and align belt on engine drive sheave.
5. Tighten adjusting screw until required
belt tension in obtained. (Belt should compress
no more than 1/16" with full thumb pressure
midway between engine pulley and idler
pulley) Tighten lock nut and then securely
tighten three cap screws on idler pulley bracket.
6. Replace belt guard.
F. Timing of Stone Spiders
1. Whenever repairs are necessary in the
gear case, which requires removal of the engine
and pinion gear assembly, the following
procedure is to be followed. Where gear
replacement is necessary:
a. Remove belt guard, loosen idler
bracket, remove belt.
b. Unbolt engine from mounting
base.
c. Unbolt engine mounting base and
remove.
d. Loosen and remove top bearing
plates. Loosen and remove gear shaft lock nuts,
top and bottom.
e. Loosen and remove all nuts, gear
case cover and remove stone spider, morflex
coupling, and driving spider.
IMPORTANT: After removing drive spider, be
certain to remember or mark position of
keyway relative to fixed position on gear case.
f. With drive shaft out, you are in a
position to remove the damaged gear of shaft.
g. Position gear and shaft in case,
aligning keyway in position marked on
removal. Install lower bearing, grease seal,
key, drive spider, lock nut, morflex coupling,
and stone spider - in that order.
h. When you have installed the stone
spider, it should be perfectly timed. If they are
not, you are off on the alignment of the keyway
and will have to adjust.
i. Timing drive gears - See Fig. 3 and
follow instructions.
j. Install belt per instructions.
k. Install belt guards if furnished
with machine.
®
3100
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