Service desk

Manuals & figures

Tap a card to open the PDF or figure. These win over memory.

Operators 903664ADaily / intervals / fluid language Parts 904059 (Drive)BOM · exploded views Parts 904059 (public PDF)Fast open host Service 903931Governor adjust · idle · hydro Fig 12-12 Belt¼″ deflection @ 2 lb Fig 12-13 Gov / carbIdle stops · 1/32″ rod gap Fig 12-14 CarburetorBall stud · springs Drive folder SoRAll manuals + photos Git F100 packPR #11 procedures

Full tune-up kit (SN ≤5500 path)

Dealer filter map (Lindstrom DRL-10002) for 4510 SN 5500 and Before — matches ~SN3501 Ford I-98. See doc 17 in git.

Oil filter611990 / Fram PH7 (local) Fuel filter 078851Inline · SL4510 Air 055017→ often N055017 Hyd filter 074830Spin-on Hyd oil AW46NAPA NHF 85805 All buy links + cartParts page tracker

SN ≥5501 uses oil 083715 + fuel 132430 — do not use that branch for SN3501.

Filter service day — oil + gas/fuel + air + hyd

Clean · service · replace. SN ≤5500 path. Full checklist: git 19-Filter-Service-Day…

  1. Warm engine → drain sump → replace oil filter Fram PH7 / 611990 → refill oil.
  2. Engine OFF → replace gas/fuel filter 078851 (arrow toward engine).
  3. Clean housing → replace air 055017 (dual 092397/092398 only if kit installed).
  4. Replace hydraulic 074830 → top-off AW-46 NHF 85805 → slow 8–12 boom cycles.
  5. Photo new filters · log each in Logbook · no G5 load until governor rods metal.
1. Oil PH7Engine oil filter 2. Fuel 078851Gas / inline 3. Air 055017Element 4. Hyd 074830Spin-on 5. AW-46 oilNHF 85805 Order trackerCost · ship · ETA

Docs & photo receipts (git + Drive)

Photo gallery2026-08-09 Drive batch 17 Full tune-up kitIntervals + filters 19 Filter service dayClean · service · replace 15 Photo analysisGovernor before-state

Field SOP (condensed)

  1. Engine oil: warm engine before filter/sump drain — cold oil will not flow.
  2. S2 Hydro purge: mid throttle, 8–12 full lift+tilt cycles; recheck fluid.
  3. S3 Order rods: 074173, 074174, ball joints 054202/054885 — see Parts.
  4. S5 Install: one rod at a time; free travel; rod WOT gap ~1/32″ (Fig 12-13).
  5. S6 Belt: ¼″ @ 2 lb (Fig 12-12).
  6. S7 Idle G3: low ~1000 / high ~3000 (CLAIMED until tach).
  7. S8 Load G5: no stall under boom load; video receipt.

Log every step in the Logbook →