Limitations
© 2013 EMP, Inc 12
Fluid Level
CAUTION: DO NOT RUN THE PUMP WITHOUT FLUID PRESENT. IF RUN DRY EVEN FOR A SHORT
PERIOD THE SEAL WILL BE DAMAGED.
Approved Coolants
Heavy Duty Engines using Fully Formulated Coolant: Reference ASTM D6210 -10 for coolant quality and
maintenance schedules. Test method references are listed in this specification
Light Duty Partial Formulated Coolant: Reference ASTM D3306 for coolant quality and maintenance
schedules.
Based on field testing and experience, the WP29 and WP32 are compatible with the following coolant types:
1. Ethylene Glycol
2. HOAT ( Hybrid Organic Acid Technology)
3. OAT (Organic Acid Technology)
4. Propylene Glycol
NOTE: - Use distilled water to dilute coolant or use pre-mix coolant
Supplementary Coolant Additives (SCA)
Coolant additives are allowed with the WP29 and WP32 water pump. The additive must be compatible with
the base coolant and all contact surfaces of the pump. The additive concentration must be within the additive
manufacturer’s specification. Damage to the WP29 and WP32 or the system will not be warranted if the
additive is not compatible with the base coolant or the concentration is outside manufacturer
recommendations.
CAUTION: CONTACT CUSTOMER SERVICE TO VERIFY THAT COOLANTS NOT LISTED ABOVE ARE
COMPATIBLE WITH PUMP COMPONENTS AND COMPLETE THE INSTALLATION APPROVAL FORM. WHEN USING
A COOLANT THAT IS NOT APPROVED, THE INSTALLATION MUST BE EMP APPROVED
CAUTION: USE OF “STOP LEAK” STYLE SYSTEM ADDITIVES ARE NOT APPROVED
CAUTION: MIXING OF COOLANTS CAN CAUSE PROBLEMS WITH THE COOLING SYSTEM. FLUIDS CAN
INTERACT RESULTING IN DAMAGE TO THE COOLING SYSTEM AND PUMP
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