SeaLand VHT 4500 Holding Tank - 140 Series VacuFlush Toilet - Manual (Page 13)

13
Problem Possible cause service instructions
1. Water will not stay in bowl.
2. Plastic flush ball will not close
completely.
3. Flush ball will not open.
4. Water does not shut off in
toilet (toilet overflows).
5. Water does not enter toilet
bowl properly.
6. Water leaking from water
valve.
a. Loose clamp ring.
b. Improper seal around flush ball
due to dirt or debris on underside
of ball seal.
c. Worn or damaged seal.
d. Worn or damaged flush ball.
a. Too much friction between flush
ball and ball seal.
b. Water valve screws are too tight.
c. Defective spring cartridge.
a. Broken shaft.
b. Shaft not fully engaged in the
spring cartridge.
a. Dirt lodged in water valve seal.
a. Insufficient water flow rate at toilet.
b. Water valve clogged.
c. Plugged rim wash holes in toilet.
a. Water valve body cracked due to
freeze damage.
b. Water line connection is loose or
not seated properly.
c. Defective water valve.
d. Stripped threads.
a. Tighten clamp ring adjusting nut.
b. Inspect flush ball and underside
of seal for foreign objects.
Clean flush ball and under seal
if needed.
c. Replace seal.
d. Replace flush ball.
a. Lubricate between flush ball and
ball seal with furniture polish or
cooking spray.
b. Loosen screws slightly.
c. Check spring tension by
pushing flush lever down, then
release it suddenly. If lever does
not snap back into original posi-
tion, replace spring cartridge.
a. Replace shaft.
b. Put pressure on shaft from
under the flush ball (pushing
into spring cartridge) until it
engages. You may have to
rotate flush ball slightly until
shaft lines up with square in
spring cartridge.
a. Disassemble and clean water
valve.
a. Check water flow rate at toilet.
Rate should be 2 gpm (7.6 lpm)
at toilet.
b. Remove and clean screen
located at inlet of water valve.
c. Clean holes. If still a problem,
replace the toilet bowl.
a. Replace water valve.
b. Insure that threads are not
cross-threaded and tighten.
c. Replace water valve.
d. Replace water valve.
TRoublEshooTinG