ThoroughClean D10R-30C Trailer, Operator'S Manual, Page: 9 / 28

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4.1 MAINTENANCE SCHEDULE
USE THE FOLLOWING GUIDE WHEN CONSIDERING MAINTENANCE:

Always test units using a new H.P. jet correctly sized.
 Before you start pulling pumps apart , do obvious checks first:
o
Worn Jets
o
Air Leaks
4. MAINTENANCE
#
ACTION REQUIRED
DAILY 250 HOURS 500 HOURS ANNUAL
1
Replace H.P. Jet Nozzle
  
2
Check Water Filters - Clean or replace
   
3 Check Air Filter - Replace if required
  
4
Inspect for wear and leaks and repair or
replace all HP components like gun, hose,
swivel, nozzle, by-pass valve, fittings, etc
   
5
Check High Pressure Switch / Flow Switch -
Replace as required if faulty
  
6
Strip & Refurbish Hawk Pump:
- Replace Plunger Rod Oil Seals (3/pump)
- Replace Brass Valves (6/pump)
- Replace various seals (3/pump)
- Replace Ceramic Piston Plungers if
cracked or worn (3/pump)
When Required
7
Check Oil Level in Pump/Slave tank
   
8
Change
Pump Oil - SAE 15/40 or SAE 30
  
9
Check By-Pass valve function test - re-kit or
replace if required
  
10
Function test low water level engine shut-
down, E-stop, Battery Isolator switch.
  
11
Replace Fuel Filter
  
13
Service Transmission - Use 80W90 Gear Box
Oil
  
14 Check Engine-pump sub-frame vibration
mounts
  
15
Have an Authorised Electrician fully function
test all Low-Level Shutdowns, Switches, etc -
and if required repair or replace where
neccesary.
As Specified As Specified As Specified
16
Re-righten all nuts and bolts on spring
suspension & tow-bar hitch. Check tension and
fuction test tow-bar hitch.
 
INTERVALS
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