///Drive belt squeals or wears fast
Direct-drive plunger pumps

Drive belt squeals or wears fast

Direct-drive pumps use a belt from motor to crankshaft.

Safety first: Switch off the pump, release all pressure (open the on/off valve or bleed-down valve) and lock out before you open any high-pressure part. Never put a hand or tool near a running jet.
1Check the causes, most likely first 0 of 1 checked
01Belt tension wrong Most likely

Too loose slips, too tight wears bearings.

How to check: Set tension as specified.

PhotoArt. no.DescriptionReplaces OEMExcl. VAT
10377 End Cap Wrench, 8007923
KMT
KMT 80079239 € 70.80
10511 Dynamic Seal Assembly, SLPRO, 90K, 20479499
AssemblyKMT
KMT 20479499 € 159.60
11104 Maintenance kit, KMT intensifier tools, 05072723
Repair kitKMT
05072723 € 898.80
12661 Dynamic seal kit - Hyplex Prime, 050626-1
Seal kitKMT, Flow
Flow 050626-1 € 95.00
11489 Swivel maintenance kit, 007117-1
Repair kitFlow
007117-1 € 274.80

Related problems

General advice based on manufacturer manuals and service practice. Always follow the manual of your machine. Not sure? .