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14 Owner Service
MAN0155 (Rev. 2/16/2007)
OWNER SERVICE
The information in this section is written for operators
who possess basic mechanical skills. If you need help,
your dealer has trained service technicians available.
For your protection, read and follow the safety informa-
tion in this manual.
Keep hands and body away from pressurized
lines. Use paper or cardboard, not hands or other
body parts to check for leaks. Wear safety goggles.
Hydraulic fluid under pressure can easily penetrate
skin and will cause serious injury or death.
Make sure that all operating and service person-
nel know that if hydraulic fluid penetrates skin, it
must be surgically removed as soon as possible by
a doctor familiar with this form of injury or gan-
grene, serious injury, or death will result. CON-
TACT A PHYSICIAN IMMEDIATELY IF FLUID
ENTERS SKIN OR EYES. DO NOT DELAY.
Do not allow bystanders in the area when oper-
ating, attaching, removing, assembling, or servic-
ing equipment.
Before performing any service or maintenance,
lower equipment to ground or block securely, turn
off engine, remove key, and disconnect driveline
from tractor PTO.
Never perform service or maintenance with
engine running.
Keep all persons away from operator control
area while performing adjustments, service, or
maintenance.
If you do not understand any part of this manual
and need assistance, see your dealer.
LUBRICATION INFORMATION
1. Do not let excess grease collect on or around
parts, particularly when operating in sandy areas.
2. Use a lithium grease of #2 consistency with a
MOLY (molybdenum disulfide) additive for all
locations unless otherwise noted.
NOTE: Be sure to clean fittings thoroughly before
attaching grease gun. One good pump of most
guns is sufficient when the lubrication schedule is
followed.
3. Grease stump grinder pivot points every 8 hours.
Gearbox Lubrication
For gearbox, usa a high quality oil with a viscosity
index of 80W or 90W and an API service rating of GL-4
or -5 in gearboxes.
Fill gearbox with 6 pints of oil.
Driveline Lubrication
1. Lubricate the driveline slip joint every eight
operating hours. Failure to maintain proper
lubrication could result in damage to the U-joints,
gearbox, and driveline.
2. Lower stump grinder to ground, disconnect
driveline from tractor PTO shaft, and slide halves
apart but do not disconnect from each other.
3. Apply a bead of grease completely around male
half where it meets female half. Slide drive halves
over each other several times to distribute grease.
REPLACE GRINDER TEETH
NOTE: Replace teeth whenever they become dam-
aged, broken, or excessively worn. Excessively worn
cutting edges greatly decrease cutting efficiency.
NOTICE
■ Never operate the stump grinder with missing
teeth.
1. Remove hex nut from tooth.
2. Remove tooth.
3. Insert new tooth and secure with hex nut.
4. Torque nut to 170 lbs-ft.
Figure 8. Tooth Installed
CAUTION
DP2