Service Kits

Wipaire offers its part and service manuals online in PDF format. If you find an error or have questions about anything in the manuals, please contact Customer Service at 651.451.1205.

Our Manuals & Service Letters are saved as .PDF files. To view this you will need the latest version of Adobe Acrobat Reader. Click to download.

To download a support document simply click on the number or description below. If you're having trouble viewing it in a browser, try using the right-click button on your mouse and select "Save Target As" or "Save Link As" and save a copy to your computer. Then open the file after it finishes downloading. If you are still having trouble accessing a document click here to request a copy be e-mailed to you.

Update Service Letter & Kit Compliance Status

Floats Service Kits

Select Float Model to View Only Service Kits for that Model: Select an Aircraft Model to View Only Applicable Service Kits:

No.	Description	Float Model	Rev	Date	Related Service Letter
1	Hydraulic pump circuit breakers	6000		4/27/1984	1
2	Main gear up stop adjustment	6000		4/26/1983	2
3	Stainless break disc	C-185 STC SA7GL or SA805CE / C-206 STC SA18GL or STC SA666CE		5/12/1983
4	Hydraulic pressure relief valve	3730/6000		10/1/1984	4
5	Slide Tube bushing	6000		8/15/1984	6
6	Main gear oleo replacement	6000/8000		10/29/1992	7
7	Pressure switch diode	3730/6000			9
8	Baggage compartment placard	3730/6000			10
9	New electric hydraulic pump	3730/6000/8000			11
10	Bulkhead reinforcement	4000		12/22/1992	25
11	Glareshield reinforcement & V-brace	4000 (C-206)	A	4/6/2011	27
12	Nose gear ram update	4000/6000/8000		7/25/2002	28
13	Main gear ram update	4000/6000/8000	A	08/05/2019	28
14	Access cover tinnerman replacement	4000/6000/8000		3/23/1993	29
15	675 SHP PT6A-114A Engine Install	675 C-208		7/24/2012	30
16	N/A	N/A
17	Firewall modification	8000		1/26/1994	31
18	Wheel well cover installation	4000		4/11/1995	32
19	6000 to 6100 conversion	6000		9/15/1994	33
20	8000 (208) to 8000 (DHC3)	8000		12/15/2004	35
21	Nose wheel pivot block	6000/6100		12/5/1996	34
22	Rear strut (aft) float attach (13000)	13000		12/4/1996	37
23	Nose wheel pivot block plunger	2100/2350		7/27/1998	41
24	C-208 Firewall mod – doubler	C-208	E	1/10/2008	42
25	C-208 Firewall mod – tray reinforcement	C-208	B	6/1/2007	44
26	Replacement of McCauley Wheels/break	3000/3450		6/1/2000	43
27	Replacement of McCauley Wheels/break	6000/6100/8000		6/1/2000	43
28	Replacement of McCauley Wheels/break	13000		6/1/2000	43
29	Landing gear mod	3000/3450		9/20/2000	45
30	Replacement of fixed access cover to hinged access cover	13000	E	12/13/2017	47
31	Heavy keel	8000		4/18/2001
32	Hydraulic system accumulator hose	2100/2350/ 3000/3450	A	3/15/2006	48
33	Stiffened float boosters	2100/2350		4/22/2002	51
34	Landing gear mod	2100/2350		3/10/2004	52
35	Landing gear mod	8000		6/18/2002	54
36	Wing fuel check valve	Beaver MKIII STC SA001186CH		11/28/2006
37	Seaplane Spreader bars	8000S		12/27/2005	58
38	Shock strut retainer pin installation	3000/3450		11/13/2002	56
39	Shock strut retainer pin installation	3000/3450		11/13/2002	56
40	Gear tunnel removal	13000		2/17/2003	59
41	Shock strut retainer pin installation	2100/2350		2/18/2003	55
42	Main gear mods	3000/3450		6/20/2007	61
43	Nose gear pivot block shim	2100/2350		9/15/2003	62
44	Vent ball stop	AT-802 w/ Fireboss conversion		4/6/2004	63
45	Landing gear removal	8000		5/17/2006
46	PA-18 Wide body mod (for 2000 lb gross)	PA-18 W.B. @ 2000 lb gross		5/24/2004	64
47	Bulkhead inspection & repair	3000/3450	A	8/3/2005	65
48	Nose gear friction device	2100/2350 /3000/3450	A	3/15/2006	66
49	Installation — NAS High Strength bolts – Aux Fin – Stabilizer	10000		12/27/2004	70
50	802 Air Tractor Float Longeron and Float Bracket Repair	Floated AT-802 Air Tractors	A	6/9/2005	71
51	802 Air Tractor Access Panel Fabrications for Float Longeron and Float Bracket Repair	Floated AT-802 Air Tractors		6/2/2005	71
52	802 Air Tractor Float Longeron and Float Bracket Repair with longer welded gusset.	Floated AT-802 Air Tractors	C	6/8/2005	72
53	802 Air Tractor Fly Wire Installation	Floated AT-802 Air Tractors	C	4/6/2006	72
54	Horizontal Panel and Trunion Removal for weight reduction.	13000		6/8/2005	74
55	Fireboss Finlet-Bracket Field Repair	AT-802 w/ Fireboss conversion		10/5/2005	76
56	Updates for the Husky Long Flap Installation	2100	A	1/27/2007	77
57	AT-802 Fire Boss Brake Line Lengthening	10000 Amphibious Floats		4/6/2006	78
58	AT-802 Adding Larger Water Rudder Stop on Aft Bulkhead	10000 Amphibious Floats		4/20/2006	81
59	AT-802 Additional Forward Upper Brace Support	10000 Amphibious Floats		5/31/2006	82
60	AT-802 Fire Boss Shock Strut ‘T’-seals	10000 Amphibious Floats		6/30/2006	83
61	N/A	N/A
62	Baggage Door Lip and Sealing	2100, 2350, 3000, 3450, 6100, 8000	B	8/31/2011	85
63	Water Rudder reinforcement	3450 Floats		7/20/2006
64	Inspection Cover Upgrade	All 2100, 2350, 3000, 3450 Floats		8/30/2006	87
65	Cessna 172 Heavier FWD Drag Wire Brace	Cessna 172, 172XP - 2100, 2350 Floats		9/5/2006	88
66	Installation of Revised Main Strut Geometry	Cessna 180/185 - 3000 Floats	B	5/2/2007
67	Installation Lower Fuselage Longeron Repair – Left Hand	Air Tractor AT-802A - 10000 Floats		1/5/2007
68	Installation Lower Fuselage Longeron Repair – Right Hand	Air Tractor AT-802A - 10000 Floats		1/5/2007
69	Revise Kicker Strut	Air Tractor AT-802A - 10000 Floats	D	9/25/2008	69
70	Installation of Additional Filters in Scooping Hydraulic System	Air Tractor AT-802A - 10000 Floats		1/25/2007	90
71	Assymetric scoop position upgrade	Air Tractor AT-802A - 10000 Floats	A	3/22/2007
72	Fire Boss Foam Tank Securing	AT-802 w/ Fireboss conversion	D	2/25/2011
73	Fire Boss Outside Float Step Mod	AT-802 w/ Fireboss conversion	A	10/20/2007
74	Wipline 10000 Floats Baggage Floor Repair	Wipline 10000 Floats	B	11/26/2008	101
75	Fire Boss spin-on hydraulic filter revision	10000	A	5/15/2009	103
76	Kodiak Top Arm Modification, 7000 Main Gear	7000 Amphibious Floats	B	10/15/2010	108
77	Heavy seas strut package option	7000	C	8/30/2011	109
78	Forward Strut Attach Bulkhead Fatigue Crack	10000 Amphibious Floats	B	1/20/2011	110
79	8000 Float Water Rudder Lock Enhancement	8000 Amphibious or Seaplane Floats on Cessna 208 Caravan	B	1/25/2012	111
80	Optional Hydraulic Power-Pack Timer Relay Installation	2100, 2350, 3000, 3450 Amphibian Floats	A	1/15/2011	112
81	Bow Bulkheads, Lower Flange Reinforcement	8000		9/26/2011	125
82	Stern Bulkheads, Lower Flange Reinforcement	Wipline 10000 for Fireboss	B	12/7/2011	126
83	Main Landing Gear Gravel Deflector Installation	Main Landing Gear Gravel Deflector Installation	B	3/14/2012	128