Hydraulic Fluid Filters - Snapper NZM21521KWV 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 parking brake. Remove key. Remove
spark plug wires and secure away from spark plugs.
Engine and components are HOT. Avoid serious
burns, allow sufficient 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 NUTS
THAT SECURES CHAIN
TO THE FRONT LIFT ARM
FIGURE 4.10
5. Remove inside nuts that secure chain to rear lift
arm. See Figure 4.11.
REMOVE INSIDE NUTS THAT
SECURES CHAIN TO THE
REAR LIFT ARM
REAR LIFT ARM
FIGURE 4.11
FRONT
LIFT ARM
DECK HANGER
BRACKET
CHAIN
6. Remove deck drive belt from around deck pulley.
7. Remove bolts and nuts to disconnect both stabilizers
from mower deck and power unit.
Figure 4.13.
STABILIZER
DECK
CHAIN
DECK
STABILIZER
8. Remove wooden blocks from underneath deck
and roll/slide deck from underneath power unit.
9. Reinstall deck in reverse order, of which it was
removed. Tighten all nuts and bolts securely.

4.7 HYDRAULIC FLUID FILTERS

IMPORTANT: REFER TO SECTION "HYDRAULIC
SYSTEM PURGING" BEFORE PERFORMING FILTER
MAINTENANCE.
The first filter change is recommended at 200 hours.
After the first change, the recommended interval is
every 500 hours. Replace both with approved filters
only (Snapper
instructions provided with the filter. Add SAE 20W50
oil to bring the level in the reservoirs to 1 ½" below
top of filler neck. Run machine for several minutes
and re-check fluid level. Add oil as needed.
18
See Figure 4.12 &
REMOVE NUTS & BOLTS
THAT SECURE STABILIZERS
TO THE MOWER DECK.
FIGURE 4.12
REMOVE NUTS & BOLTS
THAT SECURE STABILIZERS
TO THE POWER UNIT.
FIGURE 4.13
P/N 27164). Install following