Multiquip AP6 Series - Manual (Page 53)

AP6/AP8 SERIES TRASH PUMPS • OPERATION AND PARTS MANUAL — REV. #0 (06/11/14) — PAGE 53
MAINTENANCE (ENGINE)
GENERAL INSPECTION
Prior to each use, the pump/engine should be cleaned
and inspected for deficiencies. Check for loose, missing
or damaged nuts, bolts or other fasteners. Also check for
fuel, oil, and coolant leaks.
CAUTION
Certain maintenance operations or machine
adjustments require specialized knowledge and skill.
Attempting to perform maintenance operations or
adjustments without the proper knowledge, skills or
training could result in equipment damage or injury to
personnel. If in doubt, consult your dealer.
WARNING
Accidental starts can cause severe injury
or death.
ALWAYS place the ON/OFF switch in
the OFF position.
Disconnect and ground spark plug leads
and disconnect negative battery cable
from battery before servicing.
WARNING
Some maintenance operations may
require the engine to be run. Ensure
that the maintenance area is well
ventilated. Exhaust contains poisonous
carbon monoxide gas that can cause
unconsciousness and may result in
DEATH
CAUTION
ALWAYS allow the engine to cool
before servicing. NEVER attempt any
maintenance work on a hot engine.
Changing Engine Oil
Change engine oil after first 20 hours of operation. Drain
and refill engine crankcase with the correct type and
amount oil (referenced in Table 3) after 250 hours of
operation hours or once a week thereafter.
When draining engine crankcase oil, place oil into a suitable
container while engine is still warm. Replace the drain plug
tightly. Add oil through the filler hole.
Changing Engine Oil And Filter
Change the engine oil and filter after the first 50 hours of
use, then every 6 months or 250 hours. Refer to Table 3
for recommended oil viscosity.
1. Prepare a waste oil collector to drain the oil into.
2. Remove the oil filler cap while draining the oil to
allow the engine to drain easily.
3. Remove the drain plug to drain the oil.
4. After oil is sufficiently drained, securely tighten the
drain plug.
5. Using a filter wrench, turn the oil filter counterclockwise
to remove.
6. Clean sealing surface on engine where filter mounts.
7. Coat the seal of the new oil filter (Figure 47) with clean
engine oil. Install new filter first by hand until it contacts
the engine sealing surface. Tighten it another 3/4 turn
using the filter wrench.
Figure 47. Oil Filter
OUTER
SEAL
OIL
FILTER
INNER
SEAL