16
OPERATION AND MAINTENANCE MANUAL
QTS SERIES
Twin Screw Positive Displacement Pump
QTS-M
08
QTS-M
08
MAINTENANCE: Pump Assembly and
Disassembly
To assemble and disassemble the pump, follow the recommendations described below.
Always use original spare parts and follow the instructions in this manual. Not following these
recommendations could result in damage to the equipment and void the warranty. Remember
to read the safety recommendations.
Tools and Spare Parts
Some spare parts such as mechanical seals, O-rings and gaskets kits may be required for
solving any contingency.
The following tools are provided with the pump:
1. Special wrench to tighten lock nut (gear case).
2. Hook for O–rings removal.
3. Steel thickness gages in sizes of 0.001, 0.002, 0.004 and 0.008”.
You may require these tools:
1. Set of ball end hexagonal L-keys in standard sizes: 3/16”, 1/4”, 5/16” and 3/8”.
2. Socket wrench and set of six points hexagonal sockets.
3. Wrenches 7/8”, 1”, 1 ½”, 1 1 ⁄4”, (1 7/8” & 1 15/16 for QTS 400)
4. It is very important to have a torque wrench (capacity from 4 to 50 lb·in).
Also you may need FDA silicone base grease for incidental contact.
Oil and Oil Change
The pump comes with Food Grade Mineral Oil from factory.
Oil Viscosity
Model
Viscosity
Quantity
QTS
025
ISO VG
-68
.055 L
QTS
100
ISO VG
-68
.39 L
QTS
200
ISO VG
-68
.75 L
QTS
300
ISO VG
- 68
2.3 L
QTS
350
ISO VG
- 100
3.3 L
QTS
400
ISO VG
-100
4.2 L
Oil change is needed if one of the following conditions is present:
First oil change
240
hours
Non-continuous operation*
2000 h
ours
Continuous operation**
2500
hours or 4 months (whichever comes first)
*
Twelve or more pump startups per day
** Less than twelve pump startups per day
MAI
N
T
E
N
AN
C
E
MAI
N
T
E
N
AN
C
E
