Iv.maintenance; Maintenance Check List; Lubrication - Bush Hog Razorback RZ 160 Operator's Manual

4-1 MAINTENANCE CHECK LIST

Perform scheduled maintenance as outlined below.
Lower machine to ground, turn off tractor and set
parking brake before doing maintenance inspections
or work. All bolts should be torqued as recommend-
ed in the Torque Specifications unless otherwise
indicated.
WARNING
DO NOT GET UNDER CUTTER UNLESS IT
IS SECURELY BLOCKED IN POSITION.
ACCIDENTAL FALL COULD CAUSE SERI-
OUS INJURY OR DEATH.
BEFORE EACH USE
1. Check tractor tire air pressure. Refer to tractor
operator's manual.
2. Check blades and spindles to be sure that no for-
eign objects such as wire or steel strapping bands
are wrapped around them.
3. Check blade bolts for tightness. Tighten to 420
ft./lbs. (569 Nm)
4. Inspect blades for wear. Replace if necessary per
paragraph 4-3. Always replace both blades with
blades equal in weight. Use only genuine Bush
Hog replacement blades.
5. Make certain bands are in good repair.
6. Make certain driveline shields are in place and in
good repair.
7. Inspect wheel for wear, damage or foreign
objects. Repair or replace if necessary.
8. Perform BEFORE EACH USE lubrication per
paragraph 4-2.
9. During operation, listen for abnormal sounds
which might indicate loose parts, damaged bear-
ings, or other damage. Locate and repair or con-
tact your dealer.
Figure 4-1 Lubrication
(6) Before Each Use
SECTION IV
MAINTENANCE
1. Clean all debris from machine especially under-
side of deck. When cleaning underside of deck,
SECURELY BLOCK MACHINE INTO POSITION.
(Figure 3-1)

4-2 LUBRICATION

The multi-purpose grease referenced in this
section is an NLGI Grade 2 type grease.
1. Driveline Universal Joints - Apply multi-purpose
grease with grease gun.
2. Driveline Guard - Apply 2-3 shots of multi-pur-
pose grease with grease gun to plastic fitting.
3. Driveline - Disconnect PTO driveline, pull two
sections apart, and apply thin coat of multi-pur-
pose grease to inside of outer female section.
Re-asemble sections and install. Pull each sec-
tion to be sure driveline and shields are securely
connected. Make certain PTO shielding is in good
condition.
4. Wheel Pivot Tubes - Apply multi-purpose grease
with grease gun.
5. Yoke - Apply multi-purpose grease to grease fit-
ting on shear bolt yoke. IMPORTANT: THIS FIT-
TING MUST BE GREASED REGULARLY TO
PREVENT YOKE FROM SEIZING TO INPUT
SHAFT RENDERING SHEAR BOLT USELESS.
6. Gearbox - Check oil level by removing oil level
check plug on rear of gearbox. Ad EP80W-90
gear oil if necessary to bring oil to check plug
hole. Capacity is 18 oz.
Figure 4-2
(1) Before
Each Use
(5) Before
Each Use
(4) Before
Each Use
BINACCHI DRIVELINE
(1) Before
Each Use
(5) Before
Each Use
12
AFTER EACH USE
(Figure 4-1, & 4-2)
NOTE
BEFORE EACH USE
EG DRIVELINE
(2) Before Each Use
To remove yoke shield, turn slotted
head 90° with screwdriver, remove
turn screw and slide cover back.
(2) Before Each Use
To remove yoke, turn slotted head 180 °
with screwdriver, slide cover back.
(3) Before Each Use
(3) Before Each Use