iSHAN YGL-L, Operation Manual

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5.2 Maintenance
Find it difficult or unable to refuel, please check and eliminate the
following reasons.
Malfuction Caused Reason Elimination Methods
YGL-L
Unable do
the oil outlel
There is no grease in the oil
barrel
、
air enter into the oil p
ump
Add grease
、
remove the air
The oil suction one-way valv
e
、
the outlet valve are not seal
ed and blocked by the dirt
，
ca
n not be formed the vacuum s
uction(see figure 2).
Remove the dirt or wash the
one-way valve parts.
Wear or damage of O ring/seal
ring on the piston of pump(se
e figure 2)
Replace the o ring /seal ring
Specification:11×2.6
YGL-L
Have pressure,
but can not add the
oil into the oil
storage barrel of lubrication pump.
The oil filler of the lubricating
pump is blocked by the dirt.
Check and remove the dirts
The front end filter of oil fille
r for the lubricating pump is b
locked.
Check clean fitler element or
replace.