Hydraulic Fluid Filters; Deck Removal - Snapper HZT21481BV Safety Instructions & Operator's Manual

Section 4 - MAINTENANCE
!
WARNING
DO NOT attempt any maintenance, adjustments or
service with engine running. STOP engine. STOP
blades. Set brake. Remove key. Remove spark plug
wires and secure away from spark plugs. Engine and
components are HOT. Avoid serious burns; allow suf-
ficient time for all parts to cool.
4.6 DECK REMOVAL (Continued from previous page)
4. Remove inside nuts that secure chain to front lift
arm. See Figure 4.10.
REMOVE INSIDE
NUT THAT
SECURES CHAIN TO
FRONT LIFT ARM
FIGURE 4.10
5. Remove inside nuts that secure chain to rear lift
arm. See Figure 4.11.
REMOVE INSIDE NUT
THAT SECURES CHAIN
TO REAR LIFT ARM
REAR LIFT ARM
FIGURE 4.11
6. Remove mower drive belt from around blade clutch
pulley. Refer to Section "MOWER DRIVE BELT
REPLACEMENT AND ADJUSTMENT".
!
FRONT
LIFT ARM
CHAIN
DECK HANGER
BRACKET
CHAIN
7. Remove bolts and nuts to disconnect both stabiliz-
ers from mower deck and power unit. See Figure 4.12
and 4.13.
STABILIZER
DECK
STABILIZER
DECK
8. Remove wooden blocks from underneath deck and
roll/slide deck from underneath power unit.
9. Reinstall deck in reverse order, in which it was
removed. Torque hardware to 20 to 30 ft lbs.
4.7 HYDRAULIC FLUID FILTER
IMPORTANT: REFER TO SECTION "HYDRAULIC SYS-
TEM PURGING" BEFORE PERFORMING FILTER MAIN-
TENANCE.
The first filter change is recommended at 200 hours.
After the first change, the recommended interval is
every 500 hours. Replace with approved filter only
(Snapper P/N 1719168). Install following instructions
provided with the filter. Add SAE 20W50 oil to bring the
level in the reservoir to 1-½" below top of filler neck.
Run machine for several minutes and re-check fluid
level. Add oil as needed.
18
REMOVE NUTS AND BOLTS
THAT SECURE STABILIZERS
TO MOWER DECK
FIGURE 4.12
REMOVE NUTS AND BOLTS
THAT SECURE STABILIZERS
TO POWER UNIT
FIGURE 4.13