Integrity Bath
–
Model MB-80
Maintenance Manual
07-06-15
Page 6 of 16
2071 14
th
Ave – Columbus, NE 68601
800-798-5867 FAX: 402-563-9102
www.mastercarebath.com
TUB SYSTEM
Tub Pop-up Drain Stopper Adjustments & Maintenance
•
Drain Brake Adjustment
: Reference drawing 800966. Locate both¼ - 20 x 3/8 SS set screws (Item 18) in the bushing
(Item 29) behind the handle flange. Adjust brake tension by slightly tightening both set screws with a 1/8" Allen
wrench. Do not over tighten. Tighten just enough to prevent drain pop-up from closing while tub is draining.
•
Drain Pop-Up Stopper Replacement Directions
: Reference drawing 800996. Open drain. Back off the SS jam nut
(Item 4) by turning it clockwise. Remove damaged or worn out drain stopper (item 2), by turning it counter
clockwise. Close drain. Thread new stopper clockwise onto the drain stem (Item 8) as far as it will go. Open drain.
Turn stopper again ¾ turn clockwise.
•
Drain Pop-Up Stopper Base Position Adjustment:
Reference drawing 800996. If needed, the drain stem can be
adjusted to extend or retract further by adjusting the cable casing (Item 32) anchor position on the handle control
box (Item 25). Open the drain. Remove the two anchor screws in the inside ends of the control box ( or Items 19 &
38). Pull the control box away from the side of the tub. Mark the position of the cable in relation to the "P" clips
(Item 15). Loosen the two 10-32 nuts (item 33) on the "P" clips. Reposition the cable away from the cable linkage arm
(Item 31) to cause the drain stem to retract more. Adjust to desired position. Tighten nuts on "P" clips. Reinstall
control box in tub with anchor screws ( or Items 19 & 38).
•
Drain Basket Replacement Directions:
Reference drawing 800996. Remove drain stopper following above directions.
Insert special tool in drain basket (Item 12) slots. Clamp on center of special tool with a pair of Vice Grips. Remove by
turning counter clockwise. Clean old seal material away from drain hole. Be careful not to break the adhesive sealant
holding the drain shoe (Item 13) to the tub bottom. Apply plumbers putty around beveled lip of drain basket. Using
the special tool, screw the drain basket back into the drain shoe until firm. Do not over tighten. Replace the drain
stopper following the direction above.
Drain Cable Replacement
1.
Pen drain. Remove front lower service access panel (Item 95, drawing 804325) on tub. Next, reference drawing
800996. Back off set screw (Item 18) from drain cable end (Item 21 ). Snip off end of wire extending from cable
casing. Mark the position of the cable casing (Item 32) in relation to the "P" clip (item 15). Loosen the nut (Item 9) on
the "P" clip.
2.
Remove the anchor screws (or Items 19 & 38) inside the two ends of the handle control box (Item 25). Pull the box
away from the side of the tub. Disconnect the cable linkage arm (Item 31 ), then remove the wire from the hole in
the linkage arm. Mark the cable casing location in relation to the "P" clips (Item 15). Loosen the nuts (Item 33) on the
"P" clips. Next, pull the wire from inside on the cable casing. Insert the new replacement wire inside the cable casing.
Insert the wire in the hole in the cable linkage arm. Re-anchor the cable housing (in the same location) to the drain
handle control box by tightening the nuts on the "P" clips. Reinstall the drain handle control box in the tub.
3.
Re-insert the wire on the drain shoe (Item 13) end into the drain cable end (Item 21 ). Secure by tightening the set
screw in the drain cable end. Re-anchor the cable casing by tightening the nut on the "P" clip in this location. Test to
make sure the drain opens and closes correctly. Make adjustments as required. Reinstall the front service access
cover.
