Dometic 706 owner manual Troubleshooting Guide, Base Assembly, Rear View, Vacuum Toilet, Problem

Models: 706

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TROUBLESHOOTING GUIDE

TROUBLESHOOTING GUIDE

BASE ASSEMBLY

VACUUM

 

BREAKER

WHITE CAP

REAR VIEW, VACUUM TOILET

HOSE

CONNECTION

VACUUM BREAKER/BOWL CONNECTION

 

Problem

Possible Cause

Service Instructions

1.

Water will not stay in bowl.

a. Loose clamp ring.

a. Tighten clamp ring adjusting nut.

 

 

b. Improper seal around flush ball due

b. Inspect flush ball and underside of

 

 

to dirt or debris on underside of ball

seal for foreign objects. Clean under

 

 

seal.

seal if needed (cleaning tool avail-

 

 

 

able – p/n 600344236).

 

 

c. Worn or damaged seal.

c. Replace seal.

 

 

d. Worn or damaged flush ball.

d. Replace flush ball.

 

 

 

2. Plastic flush ball will not close

a. Too much friction between flush ball

a. Lubricate between flush ball and ball

 

completely.

and ball seal.

seal with furniture polish or cooking

 

 

 

spray.

 

 

b. Water valve screws are too tight.

b. Loosen screws slightly.

 

 

c. Defective spring cartridge.

c. Check spring tension by pushing

 

 

 

flush lever down, then release it

 

 

 

suddenly. If lever does not snap

 

 

 

back into original position, replace

 

 

 

spring cartridge.

 

 

 

 

3.

Flush ball will not open.

a. Broken shaft.

a. Replace shaft.

 

 

b. Shaft not fully engaged in the

b. Put pressure on shaft from under

 

 

spring cartridge.

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.

 

 

 

4. Water does not shut off in

a. Not enough clearance between cam

a. Adjust cam strap to have .02"

 

toilet (toilet overflows).

strap and top of water valve cap.

(.5mm) minimum clearance with top

 

 

 

of valve cap.

 

 

b. Dirt lodged in water valve seal.

b. Disassemble and clean water

 

 

 

valve.

 

 

 

5. Water does not enter toilet

a. Insufficient water flow rate at toilet.

a. Check water flow rate at toilet. Rate

 

bowl properly.

 

should be 2 gpm (7.6 lpm) at toilet.

 

 

b. Water valve clogged.

b. Remove and clean screen located at

 

 

 

inlet of water valve.

 

 

c. Plugged rim wash holes in toilet.

c. Clean holes. If still a problem,

 

 

 

replace the toilet bowl.

 

 

 

 

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Dometic 706 Troubleshooting Guide, Base Assembly, Rear View, Vacuum Toilet, Problem, Possible Cause, Service Instructions