PAGE 26 — JTNSW20-24HTCSL SERIES RIDE-ON TROWEL • OPERATION MANUAL — REV. #1 (3/24/16)
MAINTENANCE
6. To clean the paper air filter (Figure 15), tap the filter
element several times on a hard surface to remove
dirt, or blow compressed air (not to exceed 30 psi (207
kPa, 2.1 kgf/cm2) through the filter element from the
air cleaner case side.
Figure 15. Cleaning Inner Paper Filter
7.
NEVER!
try to brush off dirt; brushing will force dirt
into the fibers. If the paper element is excessively dirt,
replace element.
8. Clean the foam air filter element in warm soapy water,
rinse and allow to dry thoroughly or clean with a
nonflammable solvent and allow to dry. DO NOT pour
any type of oil into the foam element.
9. Wipe dirt from the inside of the air cleaner body and
cover, using a moist cloth. Be careful not to let any
dirt or debris to enter the air chamber that leads to
the carburetor.
10. Reinstall the foam air filter element to the air cleaner
cover, then reinstall the paper air filter element and
cover to the air cleaner case. Securely latch the hook
tabs onto the air cleaner cover.
CAUTION
Wear protective equipment such as
approved safety glasses or face shields
and dust masks or respirators when
cleaning air filters with compressed air.
INNER
FILTER
(PAPER)
CAUTION
Operating the engine with a blocked grass screen, dirty or
plugged cooling fins, and/or cooling shrouds removed will
cause engine damage due to overheating.
Changing Engine Oil (100 Hours)
1. Drain the engine oil when the oil is warm as shown in
Figure 16.
2. Remove the oil drain bolt and sealing washer and allow
the oil to drain into a suitable container.
Figure 16. Draining Engine Oil
3. Reinstall drain bolt with sealing washer and tighten
securely.
4. Replace engine oil with recommended type oil as
listed in Table 4. For engine oil capacity, see Table 1.
DO NOT
over fill.
Oil Filter (200 Hours)
1. Replace the engine oil filter (Figure 17) every 200 hours.
Figure 17. Oil Filter
2. Be sure to coat the seal of the new oil filter with clean
engine oil.
Oil And Fuel Lines
Check the oil and fuel lines and connections regularly
for leaks or damage. Repair or replace as necessary.
Replace the oil and fuel lines every two years to maintain
the line's performance and flexibility.
SEAL
WASHER
DRAIN
BOLT
(REMOVE)
SEAL
OIL
FILTER
